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V6 series
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1. H B t 100 Conse el Te deis eerie aee o gt E Em manu ums 0 DO 0 01 dn 32 0 Mw 800 ful ce kae y pam Tar bores p cubes rd IERTA E PD meii e enn eel mcis DEC dee remi cse pe i vole FEM z iin 10 voy ap lot scale Bs LOO Apola in Dro CRM ven pe os rs pee 5 Xi kcu n Note The default setting of function code F50 is 999 for less than0 75kW standard models and 0 for braking resistor built in type more than 1 5 models E codes Extension Terminal Functions 1 al a e a eT UO ECT Trat pu TEE ST DS AT b eer eee THEH r 1 2 ard Era ie of roam born 1 Daabis control iris Pig ee desig irem DIEM k alinm PS cee opos DIN PIC oiler FEART Hl PUD ieee td 5 5 kina Tinie ESO Acca Time 1000 0 3600 IIT an ur LT farms c n oe a mb Bars em n OFF
2. dom 245 mo S 1 in 4 THD aero phares nnt Mab TNT MM lam Datel speciosa Bunning Trak 11 FUR POT UU siena output 1 Adm His E OUTDUE igni moz cup zr pul cure autzat vois pic 6 0 BDO dou due B Tue CRI FW faced Boni birta be gen cie ceder Cate sect eet icr signa palme turi De Linear head ror Frequency peat arai iras Pod 9 ore Jump eae Jopping PN Tarei PT cond g cnn EC Oh as CR nn aC LL M p ob Gh For Stop dade anion Rer rasa pert XL ovat V Keel poer sees coer raed PD eec duni minor tn digi from ine Inicwing BE S pc t pe sone OH Oe dpud mand prj nae apaead i
3. Hon liear Emse frequency Frequency FH He Fezem HE 4 You can also set the optional non linear V f range H50 Frequency for 7 frequencies exceeding the base frequency F40 F07 F08 Acceleration Time 1 Deceleration Time 1 The acceleration time specifies the length of time the frequency increases from 0 Hz to the maximum frequency The deceleration time specifies the length of time the frequency decreases from the maximum frequency down to 0 Hz case the set frequency is equal to the maximum frequency F03 The actual acceleration and deceleration times are the same as the specified acceleration time and deceleration time Treguencs baci mium Arcade unen Decelerabun Sme T lime 1 Fol F09 F37 B n case the set frequency is lower than the maximum frequency F03 The actual acceleration and deceleration times are shorter than the specified acceleration time and deceleration time Running Fagien Condition Mta xi rum FCO gt Fregquaniy limiter F 155 Maa riam FOS Fraga H Irequaency imin E D T C Actual Epin araligi bra tme 1 t Bat AoDaleration time 1 FOT or accelera
4. MAS kesing Lines rece can drop tha sad EH Bing rhe Annae CORKS Det ed Perieg nunnan diari Cherie tha cassa of Seconda ee 3 Geo during eer oie umm ure ramen Lu i Du 1 Chr wi Furia Cee decia fii Cherezimga Curngrunnir m come y 2 Cheanhueding of eau 2 Catrall relin Sec Cherise of DH EX carbo unir arij 7 Porra inpr Boum Da 7 Fir ruler to Lacie or he MET Mam lows dona od ue 48412 Viges gig Fe rA Pn 35 ne Fer rn F nck Flashes no t 14 none Ere nad DRE 2 21 paling Eni panna 8 3 Terminal Specifications 8 3 4 Terminal functions For details about the main and control circuit terminals refer to Chapter 2 Section 2 3 5 and Section 2 3 7 Table 2 8 respectively 8 3 2 Connection
5. The inverter also supports motors rated by HP Horse Power typical in North America 99 1 5 43 Data Initialization Initializes the current function code settings to the factory defaults or initializes the motor constants parameters To change the data it is necessary to press the and keys or the and keys simultaneously Disables initialization Settings made by the user manually will be retained Initializes all function code data to the factory defaults Initializes the data Rated current of the motor and internally used constants to the motor constants determined by 02 data Motor capacity and P99 Motor characteristics as listed on the next page Initializes PO9 data Slip compensation gain to 0 0 If you do initialization while is set at 1 or 2 will automatically go back to 0 factory default at the completion of initialization Procedure for initializing motor constants Toinitialize the motor constants set the related function codes as follows 1 2 Motor Parameters Set the rated capacity of the motor to be used Rated capacity in kW 2 P99 Motor Selection Select the characteristics of the motor Refer to the descriptions given for P99 3 H03 Data Initialization Initialize the motor constants H03 2 4 Motor Parameters Set the rated current printed on the nameplate Rated current if the set
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7. 3 Press the key to display the function codes in the function code group selected in 2 In this example function code 111 will appear Even if the function code list for a particular function code group is displayed it is possible to transfer the display to a different function code group using the and 2 keys 4 Select the desired function code using the 7 and keys and press the key In this example select function code F i The data of this function code will appear In this example data of will appear 5 Change the function code data using the and keys In this example press the key four times to change data to 17 6 Press the key to establish the function code data The 5 8 will appear and the data will be saved in the memory inside the inverter The display will return to the function code list then move to the next function code In this example Pressing the key before the key cancels the change made to the data The data reverts to the previous value the display returns to the function code list and the original function code reappears 7 Press the key to return to the menu from the function code list gj Cursor movement gt You can move the cursor when changing function code data by holding down the key for 1 second or longer in the same way as with the frequency settings 3 16 Runnin
8. running Frieden dm p amma Rau Freee anl doiacioan TEE 01 Torpa Oren ET Note Function codes E45 to E47 appear on the LED monitor however the V6 series of inverters does not recognize these codes 1 Values in parentheses in the above table denote default settings for the EU version 2 Standard torque boost Nominal rated current of standard motor and Nominal rated capacity of standard motor differ depending upon the rated input voltage and rated capacity Refer to Table 5 1 Standard Motor Parameters on page 5 12 5 6 LEER regat Fat rm ieri eel ee TP Reacts napa poc CIC ai or 1 Home mou rod Ferte ERE E E PIC cor rsi Horo Dek errak cheery 5 7 C codes Control Functions of Frequency 8588 822420 es 8 T Cea m SEE 1 eo ao ioe BUIE eer Primary Corm 2 2 Enable the EA tha ballin In fix 1 Eustis the voie ro 17 2 Enable fu cured pul Ki Kern 1 Emme t
9. f 4 f E 1st d 47 Nae frecirenca Zl zgna C Time risen m HOS 5 47 07 12 Curvilinear Acceleration Deceleration Specifies the acceleration and deceleration patterns output frequency patterns Linear acceleration deceleration The inverter runs the motor with the constant acceleration and deceleration S curved acceleration deceleration To reduce the impact on the inverter driven motor during acceleration deceleration the inverter gradually accelerates decelerates the motor both the acceleration deceleration zones Curvilinear acceleration deceleration The inverter drives the motor to output maximum performance with a constant loading rate as follows n the zone under the base frequency linear acceleration deceleration of constant torque output for the motor n the zone above the base frequency speed two times the base frequency and acceleration deceleration half of the base frequency Instantaneous Overcurrent Limiting Selects whether the inverter will perform current limiting processing or cause an overcurrent trip if the output current exceeds the instantaneous overcurrent limit level If the instantaneous overcurrent limiting is enabled the inverter will immediately turn off its output gates to suppress the increase of current and control the output frequency If current l
10. inpil Cs EP Errea DOT El iu de 5 24 F20 to F22 H95 The relations stated above are indicated in the following expressions 1 If analog input bias reference point Frequency Setting 1 Bias F18 2 If analog input bias reference point Frequency Setting 1 96 BaS x Analog input Gain reference point Bias reference point JUR Bias x Gain reference point Gain x Bias reference point Gain reference point Bias reference point C32 F18 F18 x C34 C32 x C50 C32 F18 Anal E18x C34 C32x C50 Gad oso C34 C50 In the above expressions each function code expresses its data Example Setting the bias gain and its reference point when analog input range from 1 to 5 VDC is selected for frequency command 1 Point A If the analog input is at 1 V to set frequency at 0 Hz set the bias at 0 F18 0 Since 1 V is the bias reference point and it is equal to 1096 of 10 V then set the bias reference point at 1096 C50 10 Point B If an analog input is at 5 V then set the gain at 10096 C32 100 to keep frequency at the maximum value Since 5 V is the gain reference point and it is equal to 50 of 10 V set the gain reference point at 5096 C34 50 DC Braking Starting frequency Braking level and Braking time DC Braking Braking mode These function codes specify the parameters for
11. CAUTION Noise may be emitted from the inverter motor and wires Implement appropriate measure to prevent the nearby sensors and devices from malfunctioning due to such noise An accident could occur ry Table 2 8 lists the symbols names and functions of the 25 a control circuit terminals The wiring to the control circuit terminals differs depending upon the setting of the function 5 codes which reflects the use of the inverter Fas Put back the main circuit TB cover and then connect wires to NE the control circuit terminals As shown in Figure 2 12 pull the v wires out through the guides on the main circuit TB cover AMET capt a I Route these wires correctly to reduce the influence of noise Fi NI referring to the notes on the following pages Figure 2 12 Example of Control Circuit Wiring 2 13 2 Q 2 c lt Table 2 8 Symbols Names and Functions the Control Circuit Terminals Potenti ometer power supply Voltage input C1 Current input Functions Power supply 10 VDC for frequency command potentiometer Potentiometer 1 to 5 Allowable output current 10 mA 1 The frequency is set according to the external analog input voltage to 10 VDC O to 100 96 Normal mode operation 10 to 0 VDC O to 100 96 Inverse mode operation 2 Used for reference signal PID process command or PID feedba
12. This signal is turned on when the output frequency of the inverter comes into the frequency detection level specified by function code E31 It is turned off when the output frequency drops lower than the detection level for 1 Hz hysteresis band of the frequency comparator prefixed at 1 Hz 5 38 Undervoltage detection LU Function code data 3 This signal is turned on when the DC link circuit voltage of the inverter drops below the specified level or when the motor stops due to activation of the undervoltage protection feature undervoltage trip It is turned off if the DC link circuit voltage exceeds the specified level B Torque limiting Current limiting IOL Function code data 5 This signal is turned on when the inverter is limiting the motor drive current by activating the current limiter of either software F43 Operation condition F44 Limiting level or hardware H12 1 Active The minimum ON duration is 100 ms Auto restart after recovery of power IPF Function code data 6 This signal is turned on during the period from when the inverter detects the undervoltage of the DC link circuit and stops the output if auto restart after recovery of power is selected F14 4 or 5 until auto restarting the output frequency has recovered up to the set frequency At that moment of auto restarting this signal is turned off B Motor overload early warning OL Function code data 7 This signal i
13. 2 Wire for motor winding are broken 3 The terminal screws for inverter output were not tight enough 4 A single phase motor has been connected What to Check and Suggested Measures Measure the output current Replace the output wires Measure the output current Replace the motor Check if any screw on the inverter output terminals has become loose Tighten the terminal screws to the recommended torque Single phase motors cannot be used Note that the V6 series drives only three phase induction motors 6 Overheat protection for heat sink Problem Temperature around heat sink rose Possible Causes 1 Temperature around the inverter exceeded that of inverter specifications 2 Accumulated running time of the cooling fan exceeded the standard period for replacement or the cooling fan malfunctioned 3 Air vent is blocked 4 Load was too heavy What to Check and Suggested Measures Measure the temperature around the inverter Lower the temperature around the inverter e g ventilate the enclosure well Lighten the load Check the cumulative running time of the cooling fan Refer to Chapter 3 Section 3 2 2 5 Reading Maintenance Information Replace the cooling fan Visually check that the cooling fan rotates normally Replace the cooling fan Check if there is sufficient clearance around the inverter gt Increase the clearance Check if
14. Inverter type P Allowable Duty cycle Discharging capability S loss ED kWs Three V6 15 3 60 0 023 phase V6 22 3 22 207 73 372 3 a tate 0 025 15 5 31 B External braking resistor Standard Models The braking resistor is protected from overheating by a thermal relay incorporated in the braking resistor Assign external thermal relay tripped THR to one of the inverter s digital input terminals X1 X2 X3 FWD and REV and connect it to the terminals 2 and 1 of the braking resistor If you choose not to use the thermal relay incorporated in the braking resistor set up the overheat protection device using the values given in the table below Continuous braking Repetitive braking Braking torque Period 100 sec or Braking Resist 100 Inverter type resistor ance Discharg Braki Allowable type Q W ing average capability KW V6 04 4 DBO 75 2 V6 07 4 V6 15 4 1 DB2 2 2 40 V6 22 4 7 33 V6 37 4 DB3 7 2 5 32 10 ED Models Continuous braking Repetitive braking Braking torque Period 100 sec or Braking Resist Cap 10096 less Inverter type resistor Q ty ance an Discharg Allowable type ing Braking average capability loss Morc DB0 75 2C 10 V6 07 4 PIS hime DB2 2 2C V6 22 4 E V6 37 4 DB3 7 2C E e Braking resistor built in for more than 1
15. Use the thermal relay built in the inverter 2 22 Chapter 3 OPERATION USING THE KEYPAD 3 1 Keys Potentiometer and LED on the Keypad As shown in the figure at right the keypad consists of a four digit LED monitor a potentiometer POT and Six keys Program Reset key LED monitor RUN key Potentiometer The keypad allows you to start and stop the motor monitor running status and switch to the menu mode In the menu mode you may set the function code data monitor I O signal states maintenance information and alarm information Function Data key Down key Up key STOP key Table 3 1 Overview of Keypad Functions Monitor Potentiometer Functions and Keys Four digit 7 segment LED monitor which displays the following according to the operation modes m In Running mode Running status information e g output frequency current and voltage m In Programming mode Menus function codes and their data m Alarm mode Alarm code which identifies the error factor if the protective function is activated Potentiometer POT which is used to manually set frequency auxiliary frequencies 1 and 2 or PID process command RUN key Press this key to run the motor STOP key Press this key to stop the motor UP DOWN keys Press these keys to select the setting items and change the function data displayed on the LED monitor Program Reset key which switches the operation modes of the inverter m In Ru
16. When an inverter driven motor is mounted to a machine resonance may be caused by the natural frequencies of the machine system Note that operation of a 2 pole motor at 60 Hz or higher may cause abnormal vibration The use of a rubber coupling or vibration dampening rubber is recommended Use the inverter s jump frequency control feature to skip the resonance frequency zone s When an inverter is used with a general purpose motor the motor noise level is higher than that with a commercial power supply To reduce noise raise carrier frequency of the inverter Operation at 60 Hz or higher can also result in higher noise level If the set frequency is set to 120 Hz or more to drive a high speed motor test run the combination of the inverter and motor beforehand to check for safe operation When driving an explosion proof motor with an inverter use a combination of a motor and an inverter that has been approved in advance These motors have a larger rated current than general purpose motors Select an inverter whose rated output current is greater than that of the motor These motors differ from general purpose motors in thermal characteristics Set a low value in the thermal time constant of the motor when setting the electronic thermal function For motors equipped with parallel connected brakes their braking power must be supplied from the primary circuit If the brake power is connected to the inverter s power output
17. An instantaneous power failure occurred DC link circuit voltage was below the undervoltage detection level What to Check and Suggested Measures Reset the alarm f you want to restart running the motor by not treating this condition as an alarm set F14 to 4 or 5 depending on the load 6 10 Possible Causes 2 3 4 Problem The power to the inverter was switched back on too soon with F14 1 The power supply voltage did not reach the range of the inverter s specifications Peripheral equipment for the power circuit malfunctioned or the connection was incorrect Other loads were connected to the same power system and required a large current to start running to the extent that it caused a temporary voltage drop on the supply side Inverter s inrush current caused the power voltage drop because power transformer capacity was insufficient What to Check and Suggested Measures Check with LED monitor if the power to the inverter was switched back on although its control circuit was still operating Make the interval longer for re power on Measure the input voltage Increase the voltage to within that of the specifications Measure the input voltage to find where the peripheral equipment malfunctioned or which connection is incorrect Replace any faulty peripheral equipment or correct any incorrect connections Measure the input voltage and check the voltage varia
18. circuit by mistake the brake will not work Do not use inverters for driving motors equipped with series connected brakes If the power transmission mechanism uses an oil lubricated gearbox or speed changer reducer then continuous motor operation at low speed may cause poor lubrication Avoid such operation It is necessary to take special measures suitable for this motor type Contact your Miki Pulley representative for details In running special motors Environ mental conditions Combina tion with peripheral devices Single phase motors Installation location Installing an MCCB or RCD ELCB Installing an MC in the secondary circuit Installing an MC in the primary circuit Protecting the motor Discontinuance of power factor correcting capacitor Discontinuance of surge killer Single phase motors are not suitable for inverter driven variable speed operation Use three phase motors Even if a single phase power supply is available use a three phase motor as the inverter provides three phase output Use the inverter within the ambient temperature range from 10 to 50 The heat sink and braking resistor of the inverter may become hot under certain operating conditions so install the inverter on nonflammable material such as metal Ensure that the installation location meets the environmental conditions specified in Chapter 2 Section 2 1 Operating Environment Install a re
19. key to display the alarm list code e g 111 4 In the list of alarm codes the alarm information for the last 4 alarms is saved as an alarm history 4 Each time the 7 or 2 key is pressed the last 4 alarms are displayed in order from the most recent one as 4 c 5 While the alarm code is displayed press the key to have the corresponding alarm item number e g 5 OO and data e g Output frequency displayed alternately in intervals of approximately 1 second You can also have the item number e g and data e g Output current for any other item displayed using the and gt keys 6 Press the key to return to the alarm list Press the key again to return to the menu Table 3 19 Alarm Information Displayed LED monitor shows Contents Description item No 5 00 Output frequency frequency before slip compensation Output current Output current current B Heg Output voltage Output voltage Set frequency Set frequency This shows the running direction being output direction normal reverse stop This shows the running status in hexadecimal Refer to Running status Displaying running status in 3 Monitoring the Running Status Shows the cumulative power ON time of the inverter Unit thousands of hours When the total ON time is less than 10000 hours display Cumulative running 0 001 to 9 9
20. off will switch the LED back to the monitor indication 5 42 02 PO3 Motor Parameters Rated capacity and Rated current 09 99 Sets the nominal rated capacity that is denoted on the rating nameplate of the motor oie For FRN4 0C18I ALT the default setting for P02 is 3 7 Motor Parameters Slip compensation gain Sets the gain to compensate for the motor slip frequency It is based on the typical slip of every inverter model as 10096 Set the compensation gain watching the motor speed All the date listed below is applicable to the motors regardless to their output capacity Typical rated slip frequencies for 10096 Typical motors rated in HP Hz Rated capacity Standard KW HP motor Hz Note For this function which is related with the motor characteristics the voltage at the base frequency F05 and motor parameters P codes should be also set consistently Motor Selection To use automatic control features e g the auto torque boost auto energy saving and slip compensation or overload protection for the motor electronic thermal the inverter invokes the parameters and characteristics of the motor To match the driving characteristics between the inverter and motor set the motor characteristics with this function code and set to 2 to initialize the motor parameter This action automatically updates the data of function codes P03 9 and the constants used inside the inverter
21. perform wiring in accordance with their individual terminal arrangement Refer to page 2 3 D Grounding terminals Be sure to ground either of the two grounding terminals for safety and noise reduction It is stipulated by the Electric Facility Technical Standard that all metal frames of electrical equipment must be grounded to avoid electric shock fire and other disasters T Grounding terminals should be grounded as follows if A 1 Connect the grounding terminal of inverters to a ground a electrode on which class D grounding work has been M A completed respectively in compliance with the Electric Facility Technical Standard uy 2 Connect a thick grounding wire with a large surface area and ww AEN which meets the grounding resistance requirements listed in Table 2 7 Keep the wiring length as short as possible i Table 2 7 Grounding Stipulated in the Electric Facility Technical Standard n IE i Supply voltage Grounding work class Grounding resistance Tree 3 phase 200 V 100 or less Figure 2 4 Grounding Terminal Wiring in Above requirements are for Japan Ground the inverter according to your national or local Electric code requirements Q Inverter output terminals U V and W 1 Connectthe three wires of the 3 phase motor to terminals U V and W aligning phases each other 5 2 Connect the grounding wire of terminals U
22. 5kw inverters If you connect to the other braking resistor remove the built in resistor from V6 inverter 5 33 Eon E99 Terminal Command Assignment to X1 to X3 FWD and REV E01 to E03 E98 and E99 may assign commands listed below to terminals X1 to X3 FWD and REV which are general purpose programmable input terminals These function codes may also switch the logic system between normal and negative to define how the inverter logic interprets either ON or OFF status of each terminal The default setting is normal logic that is Active ON To assign negative logic input to any input terminal set the function code to the value of 1000s shown in in Section 5 1 Function Code Tables To keep explanations as simple as possible the examples shown below are all written for the normal logic system B Select multistep frequency 1 to 7 steps SS1 552 554 Function code data 0 1 and 2 Switching digital input signals 551 552 and 554 on off may switch the set frequency to those defined by function codes C05 through C11 multistep frequencies With this the inverter may drive the motor at 8 different preset speeds The table below lists the frequencies that can be obtained by the combination of switching 551 552 and 554 In the Selected frequency column Other than multistep frequency represents the set frequencies defined by frequency command 1 F01 frequency command 2 C30
23. B C respectively Turn the inverter power on Check that the cooling fan rotates and the inverter is on halt 5 Turn the main power supply off Start measuring the capacitance of the DC bus capacitor After the LED monitor is unlit completely turn the main power supply on again Select Menu 5 Maintenance information in Programming mode and check the reduction ratio 96 of the capacitance of the DC bus capacitor TA 2 Electrolytic capacitor on the printed circuit board The inverter keeps an accumulative total of the number of hours that power has been applied to the control circuit and displays it on the LED monitor Use this to determine when the capacitor should be replaced The display is in units of 1000 hours 3 Cooling fan The inverter accumulates hours for which the cooling fan has run The display is in units of 1000 hours The accumulated time should be used just a guide since the actual service life will be significantly affected by the temperature and operation environment 7 5 7 3 Measurement of Electrical Amounts in Main Circuit Because the voltage and current of the power supply input primary circuit of the main circuit of the inverter and those of the motor output secondary circuit include harmonic components the readings may vary with the type of the meter Use meters indicated in Table 7 3 when measuring with meters for commercial frequencies The power factor cannot be measured
24. CPU error What to Check and Suggested Measures Check continuity of the cable contacts and connections Replace the cable Check if appropriate noise control measures have been implemented e g correct grounding and routing of control and main circuit wires Improve noise control Check that alarm Er2 does not occur if you connect another remote keypad to the inverter Replace the remote keypad Check that alarm Er2 occurs even if you connect another remote keypad to the inverter gt Replace the card Problem A CPU error e g erratic CPU operation occurred Possible Causes 1 Ahigh intensity noise was given to the inverter What to Check and Suggested Measures Check if appropriate noise control measures have been implemented e g correct grounding and routing of control and main circuit wires Improve noise control 15 Er6 Operation protection Problem Possible Causes 1 2 The key was pressed when H96 1 or 3 The start check function was activated when H96 2 or 3 An error occurred due to incorrect operation of the motor What to Check and Suggested Measures Even though a run command was present at the input terminal or the communication port the inverter was forced to decelerate to stop and Er 6 was displayed If this was not intended check the setting of H96 When one of the following conditions occurred while a run command was present at the
25. Energy of Japan in the Ministry of International Trade and Industry Currently the Ministry of Economy Trade and Industry Note that this guideline is to be used as a reference only for foreign markets Table 10 1 List of DC Reactors DCRs Power Applicable For connection supply motor rating Inverter type DCR type Refer to voltage kW V6 01 4 DCR2 0 2 bid DRM Three ph ase 200V 0 75 V6 07 4 DCR2 0 75 Figure 10 1 1 idi 37 aad dab ig BE alui P L R L1 L L2 S Power supply For three phase 200 V or single phase 200 V Figure 10 1 Connection Diagram of DC Reactor DCR 10 1 ITI ITI Copyright 2002 2004 Miki Pulley Co Ltd All rights reserved No part of this publication may be reproduced or copied without prior written permission from Miki Pulley Co Ltd All products and company names mentioned in this manual are trademarks or registered trademarks of their respective holders The information contained herein is subject to change without prior notice for improvement Miki Pulley Co Ltd 461 Imaiminami Nakahara ku Kawasaki Kanagawa 211 8577 Japan Phone 81 44 733 4371 Fax 81 44 711 2431 URL http www mikipulley co jp 2004 1 A04b J02 50CM IBD D I 25 B
26. If wiring length between the inverter and motor is less than 20 m insert an ACL to the power supply primary lines if it is more than 20 m insert it to the power output secondary lines of the inverter Main option Options for 100V An optional single phase 100 V power supply may be used to operate single phase power an inverter designed for a three phase 200 V power supply with supply single phase 100 V power External potentiometer An external potentiometer may be used to set the drive frequency for frequency Connect the potentiometer to control signal terminals 11 to 13 of the commands inverter Remote keypad This allows you to perform remote operation of the inverter With the remote keypad you may copy function code data set in the inverter to any other inverter Extension cable for The extension cable connects the RS485 Communications Card with a remote operation remote keypad or an RS485 USB converter Three lengths are available 5 m 3 m and 1 m RS485 communications This makes communication to a PLC or personal computer system card easy Copy adapter Used to copy data into multiple inverters Connector adapter A spare connector for the copy adapter c c 2 c c c RS485 USB converter A converter that allows connection of an RS485 Communication Card to a USB port on a PC Inverter loader software Windows based i
27. Manual torque boost keeps the output voltage constant even if the load varies assuring stable motor operation Variable torque characteristics F37 0 X Constant torque characteristics F37 1 vor eer Cuga vois i Rad Plated db mea TNT j 7 aan 77 Md Dorm i r D Ip LL i i BEEN sa u Note e Set an appropriate torque boost rate that will keep the starting torque the motor within the voltage level in the low frequency zone Setting an excessive torque boost rate may result in over excitation or overheat of the motor during no load operation e The 09 data setting is effective when F37 Load Selection Auto Torque Boost Auto Energy Saving Operation is set to 0 1 3 or 4 Automatic torque boost This feature automatically optimizes the output voltage to fit the motor and its load Under a light load it decreases the output voltage to prevent the motor from over excitation under a heavy load it increases the output voltage to increase torque Since this feature is related to the motor properties it is necessary to set the rated voltage at base frequency F05 and motor parameters P codes properly Noe For the automatic torque boost feature which is related to the motor Characteristics you need to consistently set the voltage at the base frequency F05 and motor parameters 0
28. PID Process Command Manually Set with the 7 lt Key and Requirements Frequency Frequency setting via command 1 Multistep frequency setting PID control Display during cancelled operation communica F01 tions link PID enabled Disabled Disabled Frequency setting by keypad Cancelled PID output as final frequency command Other than the above Manual speed command currently selected frequency setting 3 Running Stopping the Motor By factory default pressing the key starts running the motor in the forward direction and pressing the key decelerates the motor to stop The key is enabled only in Running mode By changing the setting of function code F02 you can change the starting direction of motor rotation for example you can have the motor start running in the reverse direction or in accordance with the wiring connection at the terminal block 3 9 B XO Operational relationship between function code F02 Running Stopping and Rotational Direction and key Table 3 7 lists the relationship between function code 02 settings and the key which determines the motor rotational direction Table 3 7 Rotational Direction of Motor Specified by F02 If Function code F02 Pressing the key is set to rotates the motor in the reverse direction For the details of operation with function code 02 set to 0 or 1 refer to Chapter 5 4 Jogging Inching th
29. PR TH 1 4 pole standard motors 2 The rated capacity is for 220 V output voltage 3 Output voltages cannot exceed the power supply voltage 4 Use the inverter at the current given in or below when the carrier frequency command is higher than 4 kHz 26 41 15 or the ambient temperature is 40 C or higher Interphase voltage unbalance 96 Man VOG E v Min volede 67 Refer tolEC 61800 3 5 2 3 3 phase average voltage V If this value is 2 to use an AC reactor ACR 6 Tested under the standard load condition 8596 load for applicable motor rating 7 Calculated under the specified conditions 8 Indicates the value when using DC reactor option 9 Average braking torque obtained with the AVR control off 05 20 Varies according to the efficiency of the motor 10 Average braking torque obtained by use of an external braking resistor standard type available as option 11 To make V6 compliant with category TYPE1 of the UL Standard or NEMA1 an optional 1 kit is required Note that the TYPE1 compliant V6 should be used in the ambient temperature range from 10 to 40 Note A box 0 in the above table replaces A E or J depending on the shipping destination 8 1 8 2 Common Specifications TI A Dim 4X D rir M 1245 Dno 0141 CECT LEE Paquet fes reer al or Tem
30. Turn on the FWD or REV for the forward or reverse direction respectively If both of FWD and REV are turned on simultaneously the inverter immediately decelerates to stop the motor The table below lists the operational relationship between function code F02 Running Stopping and Rotational Direction the and key operation and control signal inputs to terminals FWD and REV which determines the rotational direction Control signal inputs to terminals FWD and REV Motor rotational code F02 Function code E98 Function code E99 direction FWD command REV command Stop Forward key Reverse Stop Function key Stop Forward 1 Ignored Reverse Stop 2 forward key Forward fixed reverse E Ignored fixed 5 14 F03 F04 FOS H50 H51 oie If you have assigned the FWD or REV function to the FWD or REV terminal you cannot change the setting of function code F02 while the terminals FWD CM or the terminals REV and CM are short circuited f you have specified the external signal 02 1 as the running command and have assigned functions other than the FWD or REV function to the FWD or REV terminal caution should be exercised in changing the settings Because if under this condition you assign the FWD or REV function to the FWD or REV terminal while the terminals FWD and or the terminals REV and are
31. What to Check and Suggested Measures Measure the input voltage Decrease the voltage to within that of the specifications Check if the overvoltage alarm occurs after sudden acceleration Increase the acceleration time F07 E10 and H54 Select the S curve pattern 7 gt Consider the use of a braking resistor Recalculate the deceleration torque from the moment of inertia for load and the deceleration time Increase the deceleration time F08 E11 and H54 Enable automatic deceleration H69 1 so that when the DC link circuit voltage exceeds the overvoltage suppression level the inverter changes the deceleration time to three times longer than the set value Set the rated voltage at base frequency F05 to 0 to improve braking ability gt Consider the use of a braking resistor Check if the alarm occurs when loads are suddenly removed Check if the inverter operation suddenly changes from driving operation to braking operation gt Consider the use of a braking resistor Compare the braking torque of the load with that of the inverter Set the rated voltage at base frequency F05 to 0 to improve braking ability gt Consider the use of a braking resistor Check if the DC link circuit voltage was below the protective level when the alarm occurred Improve noise control Enable the retry function 04 LU Undervoltage protection Possible Causes 1
32. alternative expression for V voltage PID process command PID process command PID feedback Note 1 meon amount x PID display coefficient A B B PID display coefficients and B Refer to PID feedback amount ILLI function codes E40 and E41 Note 1 Timer s Note 1 Remaining effective timer count Note 1 The PID process command and PID feedback amount are displayed only under the PID control using a process command J01 1 or 2 Further the timer for timer operation is only displayed when the timer is enabled C21 1 Input power KW Mau m will be displayed when the respective mode PID control timer is not in effect Note 2 The dot in the lowest digit will blink Note 3 The dot in the lowest digit will light Note 4 A positive integer is displayed 3 4 Figure 3 3 shows the procedure for selecting the desired monitor item and the sub item for speed monitoring Penor ON Running Made Monitoring cof runi sias i Eg Sa rewena Sad ected by function poda Eda ea Line spend Corian J Tama mi 1 The speed monitor displays the output frequency Hz set frequency Hz load shaft speed rpm line speed m min or constant rate of feeding time min depending on the setting of function code E48 2 The PID related information will
33. an extension cable for remote operation or an off the shelf LAN cable snip off the barrier of the RS485 communications cable port using nippers Figure 2 21 Putting Back the Control Circuit Terminal Block TB Cover 2 21 2 3 11 Cautions relating to harmonic component noise and leakage current 1 Harmonic component Input current to an inverter includes a harmonic component which may affect other loads and condensive capacitors that are connected to the same power source as the inverter If the harmonic component causes any problems connect a DC reactor option to the inverter It may also be necessary to connect an AC reactor to the condensive capacitors 2 Noise If noise generated from the inverter affects other devices or that generated from peripheral equipment causes the inverter to malfunction follow the basic measures outlined below 1 If noise generated from the inverter affects the other devices through power wires or grounding wires solate the grounded metal frames of the inverter from those of the other devices Connect a noise filter to the inverter power wires Isolate the power system of the other devises from that of the inverter with an insulated transformer 2 If induction or radio noise generated from the inverter affects other devices through power wires or grounding wires Isolate the main circuit wires from the control circuit wires and other device wires Putthe main circuit wires throu
34. and Suggested Measures Check if pressing the key resets the alarm after the function code data are initialized by setting the data of HO3 to 1 Return the initialized function code data to their previous settings then restart the operation Possible Causes 2 Ahigh intensity noise was given to the inverter while data especially initializing data was being written 3 The control circuit failed What to Check and Suggested Measures Check if appropriate noise control measures have been implemented e g correct grounding and routing of control and main circuit wires Also perform the same check as described in 1 above gt Improve noise control Alternatively return the initialized function code data to their previous settings then restart the operation Initialize the function code data by setting to 1 then reset the alarm by pressing the amp and check that the alarm goes on This problem was caused by a problem of the printed circuit board PCB on which the CPU is mounted Contact your Miki Pulley representative 13 Er2 Remote keypad communications error Problem A communications error occurred between the remote keypad and the inverter Possible Causes 1 Break in the communications cable or poor contact 2 Ahigh intensity noise was given to the inverter 8 The remote keypad malfunctioned 4 The RS485 communications card malfunctioned 14 Er3
35. and converts it to heat for consumption Use of a braking DBRs resistor results in improved deceleration performance of the inverter DC reactors A DCR is mainly used for power supply normalization and for supplied DCRs power factor reformation for reducing harmonic components 1 For power supply normalization Use a DCR when the capacity of a power supply transformer exceeds 500 kVA and is 10 times or more the rated inverter capacity In this case the percentage reactance of the power source decreases and harmonic components and their peak levels increase These factors may break rectifiers or capacitors in the converter section of inverter or decrease the capacitance of the capacitor which can shorten the inverter s service life Also use a DCR when there are thyristor driven loads or when condensive capacitors are being turned on off For supplied power factor reformation harmonic component reduction Generally a capacitor is used to reform the power factor of the load however it cannot be used in a system that includes an inverter Using a DCR increases the reactance of inverter s power source so as to decrease harmonic components on the power source lines and reform the power factor of inverter Using a DCR reforms the input power factor to approximately 90 to 95 Note At the time of shipping a jumper bar is connected across the terminals P1 and P on the terminal block Remove the jumper bar when connecting a
36. appear only when the inverter is under PID control When PID control is not in effect J01 0 while data of the function code E43 is 10 or 12 or immediately after power on will be displayed 9 This will appear only when timer operation is enabled by function code C21 When timer operation is not in effect C21 0 while data of the function code E43 is 13 or immediately after power on will be displayed Figure 3 3 Selecting Monitor Item and Speed Monitor Sub item 3 5 Table 3 4 lists the display items for the speed monitor that can be chosen with function code E48 Table 3 4 Display Items on the Speed Monitor Speed monitor items dui Meaning of Displayed Value Output frequency before slip Before slip compensation compensation Hz Factory default Output frequency after slip Frequency actually being output compensation Hz 1 2 Final set frequency 4 Displayed value Output frequency Hz x E50 5 Hz Set frequency Hz Load shaft speed rpm NEC HN Line speed m min i S Displayed value Output frequency x E50 Constant rate of feeding time min E50 Displayed value Output frequency x E39 When the value is equal to or more than 10000 will be displayed Output frequencies contained in these formulas are output frequencies before slip compensation 2 Setting up the Set Frequency etc You can set
37. by a commercially available power factor meter that measures the phase difference between the voltage and current To obtain the power factor measure the power voltage and current on each of the input and output sides and calculate in the following formula m hree phase input m Single phase input Electri W i Power factor eco DOMIN x 100 96 Power factor Fleciric power W x 100 3x Voltage V xCurrent Voltage V xCurrent A Table 7 3 Meters for Measurement of Main Circuit DC link circuit Input primary side Output secondary side voltage P N Item Voltage Current Voltage Current Waveform 3 Wattmeter Wattmeter DC voltmeter 5g WR WT Wu Ww V 2 Rectifier or moving iron E Nate It is not recommended that meters other than a digital AC power meter be used for measuring the output voltage or output current since they may cause larger measurement errors or in the worst case they may be damaged Tg Figure 7 1 Connection of Meters 7 6 7 4 Insulation Test Because an insulation test is made in the factory before shipment avoid a Megger test If a Megger test is unavoidable follow the procedure below Because a wrong test procedure will cause breakage of the inverter take sufficient care A dielectric strength test will cause breakage of the inverter similarly to the Megger test if the test procedure is wrong When the d
38. checking and Menu 4 I O checking using the keypad the one attempted was gt Correct any incorrect function code data settings e g active cancel the higher priority run command 8 The peak and bottom Check the data of function codes F15 frequency limiter peak frequencies for the and F16 frequency limiter bottom frequency limiters were set incorrectly Change the settings of F15 and F16 to the correct ones 9 The coast to stop Check the data of function codes E01 E02 E03 E98 and E99 command was effective and the input signal status with Menu 4 I O checking using the keypad Release the coast to stop command setting 10 Broken wire incorrect Check the cabling and wiring Measure the output current connection or poor contact with the motor gt Repair the wires to the motor or replace them 11 Overload Measure the output current Lighten the load Check that a mechanical brake is in effect Release the mechanical brake if any 12 Torque generated by the Check that the motor starts running if the value of torque boost motor was insufficient F09 is increased gt Increase the value of torque boost F09 and try to run the motor Check the data of function codes F04 F05 H50 and H51 Change the V f pattern to match the motor s characteristics 2 The motor rotates but the speed does not increase Possible Causes What to Check and Suggested Measures 1
39. data differs from the rated current f any value out of the general motor capacity is set for P02 the capacity will be internally converted to the applicable motor rating see the table on the next page 5 44 P99 Motor selection is set to 0 Standard 8 series motors or 4 Other motors Rated current A Setting range If P99 Motor selection is set to Power KW supply voltage Shipping destination Shipping destination Shipping destination code Version Version Version oss oa ont oa oo os NOTE If you use general induction motors change the P02 data to the rated current printed on the motor s nameplate Three phase 200V 5 45 P99 Motor selection is set to 1 HP motors Rated current A Setting range Appli If P99 Motor selection is set to Power HP cable supply motor rating voltage Function HP Shipping destination Version code NOTE The above values in the Rated current column are exclusively applicable to the four pole standard motors rated for 200 V at 60 Hz If you use non standard or other manufacturer s motors change the 02 data to the rated current printed on the motor s nameplate Three phase 200V 5 46 H04 HO5 Retry No of retries Latency time To automatically exit from the alarm status and restart the inverter use the retry functions The inverter automatically exits
40. diagram in operation by external signal inputs Ln ld gm dnm DOT Hose 3 iH h F m Diib E Lid J a T Tal Ku Hei Les 1 eB i E s a x m Meta MEZ ui iHe EO OES Y aT LI henge j 4 im hr x T naa c L3 n e 1 7 Hem Paar BRA E morum E n Ej irl Bt 4 Gre rM d do 2 Femina i ered Fenice Tao BOGE Cg Bee A 1 z 1 Note 1 Install recommended molded case circuit breaker MCCB or residual current operated protective device RCD earth leakage circuit breaker ELCB with overcurrent protection in the primary circuit of the inverter to protect wiring At this time ensure that the circuit breaker capacity is equivalent to or lower than the recommended capacity Note 2 A magnetic contactor MC should if necessary be mounted independent of the MCCB or ELCB to cut off the power fed to the inverter Refer to page 9 2 for details MCs or solenoids that wil
41. different menu items 3 33 L Sane Eg ote P x EATE NE Bir E LJ Sura wx ara Eg Nu alarm cd sidus imo orc fe nne aen oocumod Figure 3 12 Alarm Mode Status Transition 3 34 Chapter 4 RUNNING THE MOTOR 4 1 Running the Motor for a Test 4 1 1 Inspection and preparation prior to the operation Check the following prior to starting the operation 1 Check if connection is correct Especially check if the power wires are connected to inverter output terminals U V and W and that the grounding wire is connected to the ground electrode correctly A WARNING Do not connect power supply wires to the inverter output terminals U V and W Otherwise the inverter may be broken if you turn the power on Be sure to connect the grounding wires of the inverter and the motor to the ground electrodes Otherwise electric shock may occur Check for short circuits between terminals exposed live parts and ground faults T Check for loose terminals connectors and L6 T v po screws a a a Check if the motor is separated from E mechanical equipment Turn the switches off so that the inverter does not start or operate erroneously at power on Sl Check if safety measures are taken against runaway of the system e g a defense to for 3 phase power supp
42. from Alarm mode and restarts without issuing a block alarm even if it has entered the forced Alarm mode If the inverter has entered Alarm mode many times in excess of the number of times specified by function code H04 it issues a block alarm and does not exit Alarm mode for restarting Listed below are the recoverable alarm statuses of the inverter Alarm status LED monies Alarm status monitor display display Instantaneous Braking resistor overcurrent protection 2 or overheated dbH Overvoltage protection OU1 OU2 or OU3 Motor overloaded om _ Heat sink overheated OH1 Inverter overloaded No of retry times H04 Set the number of retry times for automatic exit from Alarm mode If the inverter has entered Alarm mode during the retry times specified the inverter issues a block alarm and will not exit from Alarm mode for restarting A WARNING If the retry function has been activated the inverter will automatically restart after tripping depending on the cause of the tripping Design the machine so that human body and peripheral equipment safety is ensured even after automatic restarting Otherwise an accident could occur B Retry latency time H05 Sets the latency time for automatic exit from Alarm mode Refer to the timing scheme diagram below Operation timing chart Alanm mu Tripped _ comman d
43. in a braking effect the control does not have any effect so do not use it in this case Disable this control when the inverter features a braking resistor If it is enabled the braking resistor and regenerative energy suppressing control may conflict with each other which may change the deceleration time unexpectedly Overload Prevention Control Enables or disables the overload suppressing control If enabled this function code is used to set the deceleration Hz s Before the inverter enters Alarm mode due to the heat sink overheat or overload alarm code or OLU this control decreases the output frequency of the inverter to suppress the trip Apply this control to equipment such as pumps whose drive frequency drops in line with any decrease in load If you want to proceed to drive such kind of equipment even the inverter slows down the output frequency enable this control yia Do not use this control to equipment whose load does not slow if the inverter output frequency drops as it will have no effect If the following functions to limit the output current are enabled F43 0 and H12 1 this control does not work STOP Key Priority Start Check Function The inverter can be operated using a functional combination of Priority on STOP Key and Start Check B STOP key priority Pressing the key on the keypad forces the inverter to decelerate and stop the motor even if the inverter is running by any r
44. input the inverter did not run and Er 6 was displayed The power was switched on An alarm was released The inverter was switched to link command LE operation gt Review the running sequence to avoid input of the run command when Er 6 has occurred If this was not intended check the setting of H96 To reset the alarm turn the run command off 16 Er8 RS485 communications error Problem Possible Causes 1 Host controllers e g PLCs and personal computers did not operate due to incorrect settings and or defective software hardware Relay converters e g RS232C RS485 converter did not operate due to incorrect connections and settings and defective hardware Broken communications cable or poor contact Even though no response error detection time 08 has been set communications did not occur cyclically A high intensity noise was given to the inverter A communications error occurred during RS485 communications What to Check and Suggested Measures Check the controllers Remove the cause of the controller error Check the converter e g check for poor contact Change the various converter settings reconnect the wires or replace hardware such as recommended devices as appropriate Check continuity of the cable contacts and connections Replace the cable Check the host controllers Change the settings of host controller software or make the no response
45. menu driven system Table 3 8 lists menus available in Programming mode The leftmost digit numerals of each letter string indicates the corresponding menu number and the remaining three digits indicate the menu contents When the inverter enters Programming mode from the second time on the menu that was selected last in Programming mode will be displayed Table 3 8 Menus Available in Programming Mode LED monitor Main functions F codes Fundamental functions E codes Extension terminal functions Control functions of frequency hess Data setting um P codes codes enables its Motor parameters data to be dis layed changed H codes dd 5 High performance functions y codes Link functions J codes Application functions Displays only function codes that have been changed from their factory defaults You may refer to or change those function codes data 3 Drive monitoring Displays the running information required for 3 maintenance or test running 4 I O checking Displays external interface information 4 Maintenance Displays maintenance information including 5 UN LL 5 information accumulated run time Displays the latest four alarm codes You may refer 6 T e i to the running information at the time when the alarm 6 information occurred 7 Data copvina ngu Allows you to read or write function code data as pying well as verifying it To use this function you w
46. nameplate Main and sub nameplates are attached to the inverter and are located as shown on the following page eA a Se 54 JFH pOD 24JV 1 300987 E DA TRE V6 15 3 i BNO3Y001 BACC TOO L MKI PULLEY Co Link R a Main Nameplate b Sub Nameplate Figure 1 1 Nameplates TYPE Type of inverter Code Series name V 6 01 7 4 V6 series Code Assemble motor rating ENT 01 0 1 kW 02 0 2 3 E 04 0 4 kW 4 Braking resistor built in type 07 0 75 kW 15 1 5kW 22 2 2kW 37 3 7 kW SOURCE Number of input phases input voltage input frequency input current OUTPUT Number of output phases rated output capacity rated output voltage output frequency range rated output current overload capacity MFG Product number Z 01 001 Serial number of production lot Production month 1 to 9 January to September X Y or Z October November or December Production year Last digit of year If you suspect the product is not working properly or if you have any questions about your product contact your MikiPulley representative 1 1 1 2 External View and Terminal Blocks Control circuit terminal block 1 External views pU m Vw Main Main Main circuit B P nameplate terminal block 41530 ircui r d nameplate Control circuit cove terminal bock cover Figure 1 2 External Views of V6 2 View of
47. parallel 2 Hold both sides of the main circuit TB cover between thumb and forefinger and slide it back into place Pull the wires out through the grooves of the main circuit TB cover 1 Nal Replace the main circuit TB cover taking care not to apply any stress to the wires Applying stress to the wires will impose a mechanical force on the screws on the main circuit terminals which may loosen the screws ri EN P L LE S Cn T Ti F d wen ora Teme ere 8252 FA f i SU um Dum VRAT ee vow c T E E M 1 Ve a Ay ia FF FE AU ELT UA UP rw Pest mm Milan m Figure 2 11 Putting Back the Main Circuit Terminal Block TB Cover 2 12 2 3 7 Wiring for control circuit terminals A WARNING In general sheaths and covers of the control signal cables and wires are not specifically designed to withstand a high electric field i e reinforced insulation is not applied Therefore if a control signal cable or wire comes into direct contact with a live conductor of the main circuit the insulation of the sheath or the cover might break down which would expose the signal wire to a high voltage of the main circuit Make sure that the control signal cables and wires will not come into contact with live conductors of the main circuit Failure to observe these precautions could cause electric shock and or an accident
48. remote keypad option during operation from error the remote keypad CPU error If the inverter detects a CPU error caused by noise or some other Er3 Yes factor the inverter stops Operation STOP Pressing 25 key on the keypad forces the inverter to Yes Protection key decelerate and stop the motor even if the inverter is priority running by any run commands given via the terminals or communications link operation After the motor stops the inverter issues alarm Er 6 8 9 Operation Protection RS485 communication error Data save error during undervoltage Overload prevention control 1 This alarm may not be output depending upon the data setting of the function code Description Start Inverters prohibit any run operations and displays check Er 6 on the LED of keypad if any run command is function present when Powering up An alarm key turned on is released or an alarm reset RST is input Link command LE has switched inverter operation and the run command in the source to be switched is active On detecting an RS485 communication error the inverter displays the alarm code If the data could not be saved during activation of the undervoltage protection function the inverter displays the alarm code In the event of overheating of the cooling fan or an overload condition alarm display or OLU the output frequency of the inverter is reduced to keep the inverte
49. the heat sink is not clogged gt Clean the heat sink Measure the output current 2 Lighten the load e g lighten the load before the overload protection occurs using the overload early warning E34 Decease the motor sound carrier frequency F26 gt Enable the overload protection control H70 6 12 7 OH2 External alarm input Problem External alarm was inputted THR Possible Causes 1 An alarm function of the external equipment was activated 2 Connection has been performed incorrectly 3 Incorrect settings What to Check and Suggested Measures Inspect external equipment operation Remove the cause of the alarm that occurred Check if the wire for the external alarm signal is correctly connected to the terminal to which the Alarm from external equipment has been assigned Connect the wire for the alarm signal correctly Check if the Alarm from external equipment has not been assigned to an unassigned terminal Correct the assignment 8 PTC thermistor for motor protection Problem Temperature of the motor rose abnormally Possible Causes 1 Temperature around the motor exceeded that of motor specifications 2 Cooling system for the motor malfunctioned 3 Load was too heavy 4 The set activation level H27 of the PTC thermistor for motor overheat protection was inadequate b A PTC thermistor and pull up resistor were connected i
50. the instantaneous power failure Miia There is 0 5 second delay from detection of the undervoltage until the motor is restarted This delay is due to the time required for the residual electricity magnetic flux in the motor to drop sufficiently Therefore even if the instantaneous power failure period is shorter than 0 5 second a delay of at least 0 5 second is required for the motor to restart When an instantaneous power failure occurs the power supply voltage for external circuitry such as relay circuits controlling the inverter may also drop as low as to cause run commands to be discontinued Therefore during recovery from an instantaneous power failure the inverter waits 2 seconds for a run command to arrive If it receives one within 2 seconds it will restart If a run command arrives more than 2 seconds later then the inverter should be restarted at the starting frequency F23 The external circuitry should be so designed that it will issue a run command within 2 seconds in such an event otherwise it should incorporate a relay with a mechanical locking feature f a coast to stop command BX is issued during the time from the detection of an instantaneous power failure to restart the inverter exits from the state of waiting for restarting and enters Running mode If any run command is issued the inverter will start at the starting frequency F23 preset A WARNING If you select restart after instantan
51. the motor are too long and caused a large amount of current to leak from them 12 Er Memory error What to Check and Suggested Measures Measure the temperature around the inverter Lower the temperature e g ventilate the enclosure well Lighten the load Check the cumulative running time of cooling fan Refer to Chapter 3 Section 3 2 2 5 Reading Maintenance Information Replace the cooling fan Visually check that the cooling fan rotates normally Replace the cooling fan Check if there is sufficient clearance around the inverter Increase the clearance Check if the heat sink is not clogged gt Clean the heat sink Measure the output current Lighten the load e g lighten the load before overload occurs using the overload early warning E34 Decrease the motor sound carrier frequency F26 Enable overload protection control H70 Recalculate the required acceleration deceleration torque and time from the moment of inertia for the load and the deceleration time Increase the acceleration deceleration time F07 F08 E10 E11 and H54 Measure the leak current Insert an output circuit filter OFL Problem Error occurred in writing the data to the memory in the inverter Possible Causes 1 While the inverter was writing data especially initializing data power supply was turned off and the voltage for the control circuit dropped What to Check
52. thermistor protection A PTC thermistor is connected between terminals C1 and 11 and a 1 kQ external resistor is connected between terminals 13 and C1 Overload Outputs a preliminary alarm at a preset level before the motor is early stopped by the electronic thermal function for the purpose of warning protecting the motor Motor protection Stall prevention Operates when instantaneous overcurrent limiting is active Instantaneous overcurrent limiting Operates if the inverter s output current exceeds the instantaneous overcurrent limit level avoiding tripping of the inverter during constant speed operation or during acceleration External alarm Stops the inverter output with an alarm through the digital input OH2 Yes input signal THR Alarm relay The inverter outputs a relay contact signal when the inverter Yes output issues an alarm and stops the inverter output for any fault lt Alarm Reset gt The alarm stop state is reset by pressing the key or by the digital input signal RST Saving the alarm history and detailed data gt The information on the previous 4 alarms can be saved and displayed Memory error The inverter checks memory data after power on and when the Er 1 Yes data is written If a memory error is detected the inverter stops Remote keypad The inverter stops by detecting a communication error between Er2 Yes communications the inverter and the
53. up the desired frequency command and PID process command by using the potentiometer and and keys on the keypad You can also set up the set frequency as load shaft speed line speed and constant rate of feeding time by setting function code E48 Setting up the set frequency Using the built in potentiometer factory default By setting function code F01 to 4 Enable the built in potentiometer factory default you can specify the set frequency using the potentiometer 3 6 Using the and keys 1 Set function code F01 to 0 Keypad operation This be done only when the remote keypad is in Running mode 2 Press the or 27 key to specify the set frequency The lowest digit will blink 3 If you need to change the set frequency press the 2 7 key again The new setting will be automatically saved into the inverter s memory It is kept there even while the inverter is powered off and will be used as the initial frequency next time the inverter is powered on If you have set the function code F01 to 0 Keypad operation key but have selected a frequency setting other than the frequency 1 i e the frequency 2 set it via communications or as a multistep frequency then you cannot use the or key for setting the set frequency even if the remote keypad is in Running mode Pressing either of these keys will just display the currently selected set frequency e When you start sp
54. used e Ao Jumper Bar _ i E T E 4824224 zm m Er ue i P T DN Tor Me ES D m i i Figure 2 6 DC Reactor Connection 2 9 Braking resistor terminals and DB 1 Connect terminals P and DB of a braking resistor to terminals and DB on the main circuit terminal block For the braking resistor built in type refer to the next page 2 When using an external braking resistor arrange the inverter and braking resistor to keep the wiring length to 5 m or less and twist the two wires or route them together in parallel Do not connect a braking resistor to any inverter with a rated capacity of 0 2 kW or below ms Even if connected the braking resistor will not work and N or P1 and DB Doing so could cause fire A WARNING Never insert a braking resistor between terminals P and N P1 and N P and P1 DB Figure 2 7 Braking Resistor Connection without DC Reactor Figure 2 8 Braking Resistor Connection with DC Reactor W hen a DC reactor is not to be connected together with the braking resistor 1 Remove the screws from terminals P1 and P together with the jumper bar Put the wire from terminal P of the braking resistor and the jumper bar on terminal P in this order then secure them with the screw removed in 1 above Tighten the screw on terminal P1 Connect the wi
55. using specification must vibration and atmosphere apparatus be satisfied dust gas oil mist or water drops 2 Check if tools or other foreign 2 Visual inspection 2 No foreign or matter or dangerous objects dangerous objects are left around the are left equipment Voltage Check if the voltages of the main Measure the voltages The standard and control circuit are correct using a multimeter or specification must be the like satisfied 1 Check if the display is clear 1 2 1 2 2 Check if there is missing Visual inspection The display can parts in the characters be read and there is no fault Structure such 1 Abnormal noise and 1 Visual or hearing 1 2 3 4 5 as frame and excessive vibration inspection Cover 2 Loosen bolts tightened parts 2 Retighten 3 Deformation and breakage 4 Discoloration and 3 4 5 deformation caused by Visual inspection overheat 5 Check for foulness and dust No abnormalities Common 1 Check if bolts and screws are 1 Retighten 1 2 3 tight and not missing 2 Check the devices and 2 3 insulators for deformation Visual inspection cracks breakage and discoloration caused by overheat and deterioration 3 Check for foulness and dust No abnormalities Main circuit Conductor 1 Check the conductor for 1 2 1 2 and wire discoloration and distortion caused by overheat 2 Check the sheath of the cable for cracks and discoloration Vis
56. 0 Turning the Hz PID command on off enables or disables the PID control If the PID control is disabled with the Hz PID being off the inverter runs the motor with the frequency manually set by any of multistep keypad or analog input 5 36 B Switch Normal Inverse operation IVS Function code data 21 Turning the IVS command on off switches the output frequency control between normal proportional to the set frequency components and inverse operation for the PID process or manually set frequencies To select the inverse operation turn the IVS command on When the PID control is enabled turning the IVS command on inverts the PID process control selected by function code J01 For example if the PID process control is normal turning it on switches it to inverse or vice versa Lp piger mes a leap Dip 5 u m DW JAnabpginpu vba rh Sms Aug ipa caen B Select link operation LE Function code data 24 Turning on the LE command selects link operation The inverter will run the motor with the frequency command or drive command given via the RS485 communications facility defined by function code H30 If the LE command is not assigned to any terminal the inverter will interpret LE as being always on B Reset PID integral and differential components PID RST Function code data 33 Turning on the PID RST command resets the PID integral
57. 01 mg cm or less per year Atmospheric 86 to 106 kPa in storage pressure 70 to 106 kPa during transportation 1 Assuming a comparatively short storage period e g during transportation or the like Even if the humidity is within the specified requirements avoid such places where the inverter will be subjected to sudden changes in temperature that will cause condensation to form Precautions for temporary storage 1 Do not leave the inverter directly on the floor 2 If the environment does not satisfy the specified requirements wrap the inverter in an airtight vinyl sheet or the like for storage 3 If the inverter is to be stored in an environment with a high level of humidity put a drying agent such as silica gel in the airtight package described in item 2 1 4 2 Long term storage The long term storage methods for the inverter vary largely according to the environment of the storage site General storage methods are described below 1 The storage site must satisfy the requirements specified for temporary storage However for storage exceeding three months the ambient temperature should be within the range from 10 to 30 This is to prevent the electrolytic capacitors in the inverter from deteriorating 2 The inverter must be stored in a package that is airtight to protect it from moisture Include a drying agent inside the package to maintain the relative humidity inside the package to within 7
58. 096 3 Ifthe inverter has been installed in the equipment or control board at a construction site where it may be subjected to humidity dust or dirt then remove the inverter and store it in a suitable environment specified in Table 1 1 Precautions for storage over 1 year If the inverter will not be powered on for a long time the property of the electrolytic capacitors may deteriorate Power the inverters on once a year and keep them on for 30 to 60 minutes Do not connect the inverters to motors or run the motor 1 3 Chapter 2 MOUNTING AND WIRING OF THE INVERTER 2 1 Operating Environment Install the inverter in an environment that satisfies the requirements listed in Table 2 1 Table 2 1 Environmental Requirements Item Specifications Site location Indoors Ambient 10 to 50 Note 1 temperature Relative 5 to 95 No condensation humidity Atmosphere The inverter must not be exposed to dust direct sunlight corrosive gases flammable gas oil mist vapor or water drops Note 2 The atmosphere must contain only a low level of salt 0 01 mg cm or less per year The inverter must not be subjected to sudden changes in temperature that will cause condensation to form Altitude 1 000 m max Note 3 Atmospheric 86 to 106 kPa pressure Vibration mm Max amplitude 2 to less than 9 Hz 9 8 m s 9 to less than 20 Hz 2 m s 20 to less than 55 Hz 1 m s 55 to less than 200 Hz 2 2 Installing th
59. 1 can be selected for the transistor output signal and use it for signal output Switching of the normal negative logic output is applicable to the following two contact outputs Terminals 30A and 30 are short circuited for ON signal output or the terminals 30B and 30C are short circuited non excite for ON signal output Relay contact output RS485 Used to connect the inverter with PC or PLC using RS485 port communi Used to connect the inverter with the remote keypad The inverter cations I O supplies the power to the remote keypad through the extension cable for remote keypad Communication This terminal can be used with standard inverters equipped with an RS485 Communications Card option Woje Route the wiring of the control terminals as far from the wiring of the main circuit as possible Otherwise electric noise may cause malfunctions Fix the control circuit wires inside the inverter to keep them away from the live parts of the main circuit such as the terminal block of the main circuit 2 3 8 Switching of SINK SOURCE jumper switch A WARNING Before changing the jumper switch wait for at least five minutes after the power has been turned off then check that the DC link circuit voltage between the terminals P and N does not exceed the safety voltage 25 VDC using a multi meter An electric shock may result if this warning is not heeded as there may be some residual electric char
60. 2 and P99 appropriately for the motor rating and characteristics Auto energy saving operation This feature controls the terminal voltage of the motor automatically to minimize the motor power loss Note that this feature may not be effective depending upon the motor characteristics Check the characteristics before using this feature The inverter enables this feature for constant speed operation only During acceleration and deceleration the inverter will run with manual or automatic torque boost depending on function code F37 If auto energy saving operation is enabled the response to a change in motor speed may be slow Do not use this feature for a system that requires quick acceleration and deceleration 5 19 je Use auto energy saving only where the base frequency is 60 Hz or lower f the base frequency is higher than 60 Hz then you may get little or no energy saving effect The auto energy saving operation is designed for use with the frequency lower than the base frequency If the frequency becomes higher than the base frequency the auto energy saving operation will be invalid For the auto energy saving function which is related to the motor characteristics you need to consistently set the voltage at the base frequency 05 and motor parameters 02 and P99 appropriately for the motor rating and characteristics Given below are examples of proper setting in combination with FO9 and f
61. 4 alarms Further it is also possible to display alarm information that indicates the status of the inverter when the alarm condition occurred Figure 3 11 shows the status transition of the alarm information and Table 3 19 lists the details of the alarm information Power CIN moin S L Procrarmimm 7 IF List of coeds info at ifo dme i i An aTe 7 Lal EA 1 gl ner Thimi irscuance 3 1 eM _ lan 4 BLU BIA i em he appro curru BD 181 niger undae Fir Petrie cmon cz Eom mms E m m s 8 Same as zw LI Baie abowu T PEE EZ LI a 2 Figure 3 11 Alarm Information Status Transition 3 29 Basic key operation Before viewing alarm information set function code E52 to 2 full menu mode 1 When the inverter is powered on it automatically enters Running mode In Running mode press the key to enter Programming mode The menu for function selection will be displayed 2 With the menu displayed use the gt keys to select Alarm information ui 3 Press the
62. 4 2 Amp A for 0 75 kW standard motors Setting 96 Applicable motor rating KW Reference ANCAUTION The brake function of the inverter does not provide mechanical holding means Injuries could occur 5 26 2 25 26 27 Starting Frequency and Stopping Frequency At the startup of an inverter the initial output frequency is equal to the starting frequency The inverter stops its output at the stop frequency Set the starting frequency to a level that will enable the motor to generate enough torque for startup Generally set the motor s rated slip frequency to F23 For how to set the rated slip frequency see function code POY If the starting frequency is lower than the stop frequency the inverter will not output any power as long as the set frequency does not exceed the stop frequency Motor Sound Carrier frequency and Sound tone B Motor Sound Carrier frequency F26 Changing the carrier frequency Carrier frequency 0 75 to 15 kHz may decrease the motor running noise leakage current Motor running noise Noisy to quiet Hom ha DE 1066 Output current waveform Poor to good electric noise from the inverter Leakage current level Low to high Electric noise level Low to high Note Lowering the carrier frequency increases the ripple components harmonic components the output current waveform so as to increase the motor s power loss and raises the temperature of th
63. 7 Table 3 18 Maintenance Display Items shows Cumulative run Shows the cumulative power ON time of the inverter time Unit thousands of hours When the total ON time is less than 10000 hours display 0 001 to 9 999 data is shown in units of one hour When the total time is 10000 hours or more display 10 00 to 65 53 it is shown in units of 10 hours When the total time exceeds 65535 hours the display will be reset to 0 and the count will start again G DC link circuit Shows the DC link circuit voltage of the inverter z voltage Unit V volts 13 Max temperature Shows the maximum temperature of the heat sink for every hour of heat sink Unit 9C Max effective Shows the maximum effective current for every hour current Unit A amperes Capacitance of Shows the current capacitance of the DC bus capacitor based on the the DC bus capacitance when shipping as 10096 Refer to Chapter 7 capacitor MAINTENANCE AND INSPECTION for details Unit 96 Cumulative run Shows the cumulative run time of the capacitor mounted on the time of printed circuit board electrolytic The display method is the same as for accumulated run time above capacitor on the printed circuit However when the total time exceeds 65535 hours the count stops board and the display remains at 65 53 Cumulative run Shows the cumulative run time of the cooling fan time of the The cooling fan ON OFF control function code 06 is effecti
64. 99 data is shown in units of one hour When the time total time is 10000 hours or more display 10 00 to 65 53 it is shown in units of 10 hours When the total time exceeds 65535 hours the display will be reset to 0 and the count will start again The cumulative total number of times an inverter run command has been issued is calculated and displayed 1 000 indicates 1000 times When any number ranging from 0 001 to 9 999 is displayed the display increases by 0 001 per startup and when any number from 10 00 to 65 53 is displayed the display increases by 0 01 every 10 startups When the total number exceeds 65535 the display will be reset to O and the count will start again No of startups 3 30 Shows the DC link circuit voltage of the inverter s main circuit DC link circuit voltage Unit V volts 3 31 Table 3 19 Continued LED monitor shows Contents Description item No Max temperature of Shows the temperature of the heat sink 7 heat sink Unit Terminal I O signal status displayed with the ON OFF of LED segments Shows the ON OFF status of the digital I O terminals Refer to Displaying control 1 0 signal terminals 4 Checking I O Signal Status for details Signal input terminal status in hexadeci mal format Terminal output signal status in hexadecimal format No of consecutive This is the number of times the same alarm occurs occurrences consecutiv
65. DC braking a mechanism to prevent the motor from coasting due to the inertia of moving loads while it is decelerating to a stop During a decelerated stop cycle i e when any Run command OFF has been issued or the set frequency has dropped below the stopping frequency DC braking is invoked as soon as the output frequency has reached the starting frequency F20 for DC braking Set function codes F20 for the starting frequency F21 for the braking level and F22 for the braking time Optionally you can also select the quick response DC braking with H95 5 25 Decelerated stop starts Output frequency 2 DC braking Starting frequency F20 DC braking Braking time F22 DC braking Braking level F21 0 Time DC braking Braking mode H95 DC braking current H95 specifies the DC braking mode as follows If H951 is Slow response The DC braking current gradually ramps up The torque may not be sufficient at the start of DC braking the inertia of the moving loads or the coupling state the revolution may be unstable Quick response DC braking current quickly ramps up Depending on The braking level setting for the three phase 200V and single phase 200V 100V series should be calculated from the DC braking level IDB A based on the reference current Iref A as shown below Ips Iret Setting 96 x100 Example Setting the braking level at
66. DCR c Q gt Output circuit filters Include OFL in the inverter power output circuit to OFLs 1 Suppress the voltage fluctuation at the motor input terminals This protects the motor from insulation damage caused by the application of high voltage surge currents by the 400 V class of inverters 2 Suppress leakage current from the power output secondary lines due to harmonic components This reduces the leakage current when the motor is hooked by long power feed lines It is recommended that the length of the power feed line be kept to less than 400 m 3 Minimize emission and or induction noise issued from the power output secondary lines OFLs are effective in reducing noise from long power feed lines such as those used in plants etc Note Use an OFL within the allowable carrier frequency range specified by function code F26 Motor sound carrier frequency Otherwise the filter will overheat EMC compliant A special filter for making the inverter compliant with Europe s EMC filter directives 9 3 m Name of option Function and application Ferrite ring reactors for An ACL is used to reduce radio noise emitted by the inverter reducing radio An ACL suppresses the outflow of high frequency harmonics caused by frequency noise switching operation for the power supply primary lines inside the ACL inverter Pass the power supply lines together through the ACL for 4 turns coiled 3 times
67. EU Japan 5 2 Overview of Function Codes This section provides an overview of the function codes frequently used for the V6 series of inverter FOO F01 C30 Data Protection Specifies whether function code data is to be protected from being accidentally changed by keypad operation If data protection is enabled F00 1 key operation to change data is disabled so that no function code data except FOO data can be changed from the keypad To change F00 data simultaneous keying of keys is required Frequency Command 1 and 2 Selects the devices to set the set frequency for driving the motor Set F01 to To do this Enable the l 2 7 keys on the built in keypad Refer to Chapter 3 OPERATION USING THE KEYPAD 1 Enable the voltage input to terminal 12 0 to 10 VDC maximum frequency obtained at 10 VDC 2 Enable the current input to terminal C1 4 to 20 mA maximum frequency obtained at 20 mA DC 9 Enable the sum of voltage and current inputs to terminals 12 and C1 See the two items listed above for the setting range and maximum frequencies Note If the sum exceeds the maximum frequency the maximum frequency will apply 4 Enable the built in potentiometer POT Maximum frequency obtained at full scale of the POT T For frequency commands by terminals 12 voltage and C1 current and by the built in potentiometer setting the and bias changes
68. EV and CM If the logic value for ON between X1 P ue and CM is 1 in the normal logic system for example OFF is 1 in the EUREN negative logic system and vice versa REV Reverse 4 The negative logic signaling cannot be applicable to FWD and REV operation command Digital input circuit specifications mu Operation ON level oo voltage SINK OFF level 22V 27V MES Operation ON level 2 7 voltage i Operation current at ON xl Input Voltage at 0 V EE diri Allowable leakage T current at OFF om PLC Connects to PLC output signal power supply Rated voltage 24 VDC Maximum output current 50 mA Digital input CM Digital Common terminal for digital input signals common This terminal is electrically isolated from terminals 11 and Y1E 2 16 Digital input Table 2 8 Continued Symbol Name Functions Fir B Turning on or off X1 X2 X3 FWD or REV using a relay contact Figure 2 15 shows two examples of a circuit that turns on or off control signal input X1 X2 X3 FWD or REV using a relay contact Circuit a has a connecting jumper applied to SINK whereas circuit b has it applied to SOURCE NOTE To configure this kind of circuit use a highly reliable relay Pu P ul EHHA 4 JEL Di PI 1 E FERATI E a With a jumpe
69. F02 has been established to enable the STOP key Prepare an emergency stop switch separately If you disable the STOP key priority function and enable operation by external commands you cannot emergency stop the inverter using the STOP key on the built in keypad If an alarm reset is made with the operation signal turned on a sudden start will occur Ensure that the operation signal is turned off in advance Otherwise an accident could occur If you enable the restart mode after instantaneous power failure Function code F14 4 or 5 then the inverter automatically restarts running the motor when the power is recovered Design the machinery or equipment so that human safety is ensured after restarting If you set the function codes wrongly or without completely understanding this instruction manual the motor may rotate with a torque or at a speed not permitted for the machine An accident or injuries could occur Do not touch the inverter terminals while the power is applied to the inverter even if the inverter stops Doing so could cause electric shock Do not turn the main circuit power on or off in order to start or stop inverter operation Doing so could cause failure Do not touch the heat sink or braking resistor because they become very hot Doing so could cause burns Setting the inverter to high speeds is easy Before changing the frequency speed setting check the specifications of the motor and machinery Th
70. Instruction Manual 180 0 1 25 Compact Inverter V6 series ACAUTION Thank you for purchasing our V6 series of inverters e This product is designed to drive a three phase induction motor Read through this instruction manual and be familiar with the handling procedure for correct use Improper handling might result in incorrect operation a short life or even a failure of this product as well as the motor Deliver this manual to the end user of this product Keep this manual in a safe place until this product is discarded For how to use an optional device refer to the instruction and installation manuals for that optional device Miki Pulley Co Ltd TRS IV 008 Preface Thank you for purchasing our V6 series of inverters This product is designed to drive a three phase induction motor Read through this instruction manual and be familiar with proper handling and operation of this product Improper handling might result in incorrect operation a short life or even a failure of this product as well as the motor Have this manual delivered to the end user of this product Keep this manual in a safe place until this product is discarded The materials are subject to change without notice Be sure to obtain the latest editions for use Japanese Guideline for Suppressing Harmonics in Home Electric and General purpose Appliances Three phase 200 V series inverters of 3 7 4 0 kW or less are the products spe
71. ON CODES 3 2 Overview of Operation Modes V6 series features the following three operation modes Running mode This mode allows you to enter run stop commands in regular operation You can also monitor the running status in real time Programming mode This mode allows you to set function code data and check a variety of information relating to the inverter status and maintenance Alarm mode an alarm condition occurs the inverter automatically enters the Alarm mode In this mode you can view the corresponding alarm code and its related information on the LED monitor Alarm code Indicates the cause of the alarm condition that has triggered a protective function For details refer to Chapter 8 Section 8 6 Protective Functions Figure 3 1 shows the status transition of the inverter between these three operation modes Power ON Setting of function codes Run Stop of motor Monitor of running status Monitor of running status I O signal states and maintenance info V 6 Occurrence N r z P A 4 2 Press this key if an alarm has occurred Display of alarm status Figure 3 1 Status Transition between Operation Modes Figure 3 2 illustrates the transition of the LED monitor screen during the Running mode the transition between menu items in the Programming mode and the transition between alarm codes at dif
72. SINK With a jumper applied to SOURCE Figure 2 16 Circuit Configuration Using a PLC For details about the jumper setting refer to Section 2 3 8 Switching of SINK SOURCE jumper switch 2 17 Analog output Transistor output Transistor output Transistor output power Transistor output common Table 2 8 Continued The monitor signal for analog DC voltage 0 to 10 VDC is output The signal functions can be selected from the following with code 1 Output frequency before slip compensation Output frequency after slip compensation Output current Output voltage Input power PID feedback amount DC link circuit voltage Analog output test voltage Input impedance of external device Min 5 Common terminal for analog input and output signals This terminal is electrically isolated from terminals CM and Y1E Various signals such as inverter running speed freq arrival and overload early warning can be assigned to the terminal Y1 by setting function code E20 Refer to Chapter 5 Section 5 2 Overview of Function Codes for details Switches the logic value 1 0 for ON OFF of the terminals between Y1 and Y1E If the logic value for ON between Y1 and Y1E is 1 in the normal logic system for example OFF is 1 in the negative logic system and vice versa Digital input circuit specification Pied Operation ON level voltage OFF level Maximum loa
73. The maximum frequency Check the data of function code F03 Maximum frequency Was sel to doo WIR value Readjust the data of the maximum frequency 2 The peak frequency of the Check the data of function code F15 Frequency limiter frequency limiter was set peak OON Readjust the setting of F15 8 The set frequency was set Check the signals for the set frequency from the control circuit to too low a value terminals with Menu 4 I O checking using the keypad gt Increase the set frequency gt If an external potentiometer for frequency command signal converter switches or relay contacts are malfunctioning replace them gt Connect the external circuit wires to terminals 13 12 11 and C1 correctly Possible Causes 4 8 A frequency command with higher priority than the one attempted e g multistep frequency communications or jogging operation etc was active and the set frequency was set to too low a value The acceleration deceleration time was too long Overload The current limiting operation did not increase the output frequency Bias and grain set incorrectly What to Check and Suggested Measures Check the settings data of the relevant function codes and what frequency commands are being received through Menu 1 Data setting Menu 2 Data checking and Menu 4 I O checking using the remote keypad Correct any incorrect funct
74. V and W to the Le ania grounding terminal G V EN Hole The wiring length between the inverter and motor a abt TENE should not exceed 50 m 4 Jh Do use one multicore cable to connect several use 1 inverters with motors 5 Power supply Figure 2 5 Inverter Output Inverter e Terminal Wiring 50 m or BO mor less 2 8 Fat Do not connect a power factor correcting capacitor or surge absorber to the inverter s output terminals secondary circuit e f the wiring length is long the stray capacitance between the wires will increase resulting in an outflow of the leakage current It will activate the overcurrent protection increase the leakage current or will not assure the accuracy of the current display In the worst case the inverter could be damaged f more than one motor is to be connected to a single inverter the wiring length should be the length of the wires to the motors DC reactor terminals P1 and P Remove the jumper bar from terminals P1 and Connect a DC reactor option to terminals P1 and 1 2 Note The wiring length should be 10 m or below f both DC reactor and a braking resistor are to be connected to the inverter secure both wires of the DC reactor and braking resistor together to terminal Refer to item on the next page Do not remove the jumper bar if a DC reactor is not going to be
75. When used with the inverter a molded case circuit breaker MCCB residual current operated protective device RCD earth leakage circuit breaker ELCB or magnetic contactor MC should conform to the EN or IEC standards When you use a residual current operated protective device RCD earth leakage circuit breaker ELCB for protection from electric shock in direct or indirect contact power lines or nodes be sure to install type B of RCD ELCB on the input primary of the inverter if the power source is three phase 200 400 V For single phase 200 V power supplies use type A When you use no RCD ELCB take any other protective measure that isolates the electric equipment from other equipment on the same power supply line using double or reinforced insulation or that isolates the power supply lines connected to the electric equipment using an isolation transformer The inverter should be used in an environment that does not exceed Pollution Degree 2 requirements If the environment conforms to Pollution Degree 3 or 4 install the inverter in an enclosure of IP54 or higher Install the inverter AC or DC reactor input or output filter in an enclosure with minimum degree of protection of IP2X Top surface of enclosure shall be minimum when it can be easily accessed to prevent human body from touching directly to live parts of these equipment To make an inverter with no integrated EMC filter conform to the EMC directive it is necess
76. ake setting under PID control To enable PID control you need to set function code 01 to 1 or 2 Under the PID control the items that can be set or checked with the and keys are different from those under regular frequency control depending upon the current LED monitor setting If the LED monitor is set to the speed monitor E43 0 you may access manual feed commands Set frequency with the and 27 keys if it is set to any other you may access PID process command with those keys Setting the PID process command with the built in potentiometer 1 Set function code E60 to 3 PID process command 1 2 Set function code J02 to 1 PID process command 1 Setting the PID process command with the and keys 1 Set function code J02 to 0 Keypad operation 2 Set the LED monitor to something other than the speed monitor E43 0 in Running mode This setting is possible only in Running mode 3 Press the 7 or key to have the PID process command displayed The lowest digit will blink on the LED monitor 4 To change the PID process command press the 2 key again PID process command you have specified will be automatically saved into the inverter s memory It is kept there even if you temporarily switch to another means of specifying the PID process command and then go back to the means of specifying the PID process command via the remote keypad Also it is kept there even while the invert
77. and H97 Clear alarm data simultaneous keying operation is necessary keys keys This prevents data from being lost by mistake Changing validating and saving function code data when the motor is runnin Some function code data can be changed while the motor is running and some cannot Further amongst the function codes whose data can be changed while the motor is running there are some for which the changes can be validated immediately and others for which they cannot Refer to the Change when running column in Chapter 5 Section 5 1 Function Code Tables 3 14 Figure 3 5 shows the status transition for Menu 1 Data setting Menu List of function Furion ocde dala Figure 3 5 Data Setting Status Transition 3 15 Basic key operation This section will give a description of the basic key operation following the example of the function code data changing procedure shown in Figure 3 6 This example shows you how to change function code F01 data from the factory default Enable the built in potentiometer F01 4 to Enable the 2 keys on the built in keypad F01 0 1 When the inverter is powered on it automatically enters Running mode In Running mode press the key to enter Programming mode The menu for function selection will be displayed 2 With the menu displayed use the and 2 keys to select the desired function code group In this example select
78. and differential components B Hold PID integral component PID HLD Function code data 34 Turning on the PID HLD command holds the current inverter output voltage constant by suppressing an increase of PID integral component B Run forward FWD Function code E98 E99 data 98 If the FWD command is turned on the inverter runs the motor forward if off it decelerates the motor to a stop B Run reverse REV Function code E98 E99 data 99 If the REV is turned on the inverter runs the motor in reverse if off it decelerates the motor to a stop 5 37 E20 E27 Status Signal Assignment to Y1 30A 30B and 30C E20 and E27 may assign output signals to terminals Y1 transistor switch and 30A 30B and 30C mechanical relay contacts which are general purpose programmable output terminals These function codes may also switch the logic system between normal and negative to define how the inverter logic interprets either ON or OFF status of each terminal Terminals 30A 30B and 30C are mechanical relay contacts In the normal logic if an alarm occurs the relay will be ordinarily excited so that 30A and 30C will be short circuited signaling an occurrence of the error to external equipment On the other hand in the negative logic the relay will cut off the excitation current to open 30A and 30C This may be useful for the implementation of fail safe power systems Noe If negative
79. and or substantial property damage Failure to heed the information contained under the CAUTION title can also result in serious consequences These safety precautions are of utmost importance and must be observed at all times Application A WARNING V6 series is designed to drive a three phase induction motor Do not use it for single phase motors or for other purposes Fire or an accident could occur V6 series may not be used for a life support system or other purposes directly related to the human safety Though V6 series is manufactured under strict quality control install safety devices for applications where serious accidents or material losses are foreseen in relation to the failure of it An accident could occur Installation A WARNING Install the inverter on a nonflammable material such as metal Otherwise fire could occur Do not place flammable matter nearby Doing so could cause fire Do not support the inverter by its terminal block cover during transportation Doing so could cause a drop of the inverter and injuries Prevent lint paper fibers sawdust dust metallic chips or other foreign materials from getting into the inverter or from accumulating on the heat sink Otherwise a fire or an accident might result Do not install or operate an inverter that is damaged or lacking parts Doing so could cause fire an accident or injuries Do not get on a shipping box Do not
80. ansfer the data saved in a source inverter to other destination inverters If the specifications of the source and destination inverters differ some code data may not be copied to ensure safe operation of your power system Therefore you need to set up the uncopied code data individually as necessary Whether data will be copied or not is detailed with the following symbols in the Data copy column of the function code tables given below Y Will be copied unconditionally Y1 Will not be copied if the rated capacity differs from the source inverter Y2 Will not be copied if the rated input voltage differs from the source inverter N Will not be copied The function code marked N is not subject to the Verify operation either It is recommended that you set up those function codes which are not subject to the Copy operation individually using Menu 1 Data setting as necessary 5 1 B Using negative logic for programmable terminals The negative logic signaling system can be used for the digital input and output terminals by setting the function codes specifying the properties for those terminals Negative logic refers to inverted ON OFF logical value 1 true O false state of input or output signal An ON active signal the function takes effect if the terminal is short circuited in the normal logic system is functionally equivalent to OFF active signal the function takes effect if the terminal is opened in the negativ
81. ary to connect an external EMC filter to the inverter and install them properly so that the entire equipment including the inverter conforms to the EMC directive Do not connect any copper wire directly to grounding terminals Use crimp terminals with tin or equivalent plating to connect them To connect the three phase or single phase 200 V series of inverters to the power supply in Overvoltage Category or to connect the 3 phase 400 V series of inverters to the power supply in Overvoltage Category Il or a supplementary insulation is required for the control circuitry When you use an inverter at an altitude of more than 2000 m you should apply basic insulation for the control circuits of the inverter The inverter cannot be used at altitudes of more than 3000 m 10 The power supply mains neutral has to be earthed for the three phase 400 V class inverter vi Conformity to the Low Voltage Directive in the EU Continued CAUTION 11 Use wires listed in EN60204 Appendix C Power supply voltage Three phase 200 V 1 2 3 Recommended wire size 0 Appli Main circuit Rated current A power input 2 P1 Control of Inverte 4 Circuit motor Inverter type L1 R L2 S L3 T P rating MCCB or RCD ELCB L1 L L2 N r output Braking S 1 kW Grounding resistor Wb Bo 95 w DCR w o DCR DB MCCB Molded case circuit breaker RCD Resi
82. automatic control system automatic torque boost slip compensation energy saving operation overload prevention control current limiting and check that the motor vibration is suppressed F37 P09 H70 and F43 Cancel the functions causing the vibration Readjust the data of the oscillation suppression gain H80 currently set to appropriate values Check that the motor vibration is suppressed if you decrease the level of the motor sound carrier frequency F26 or set the motor sound sound tone to 0 F27 20 Decrease the carrier frequency F26 or set the sound tone to F27 0 5 If grating sound can be heard from motor Possible Causes 1 The carrier frequency was set too low What to Check and Suggested Measures Check the data of function codes F26 motor sound carrier frequency and F27 motor sound sound tone gt Increase the carrier frequency F26 Readjust the setting of F27 to appropriate value 6 The motor does not accelerate and decelerate at the set time Possible Causes 1 The inverter ran the motor by S curve or curvilinear pattern 2 The current limiting prevented the output frequency from increasing What to Check and Suggested Measures Check the data of function code 7 Curvilinear acceleration deceleration Select the linear pattern HO7 0 Make sure that F43 current limiter function selection is set to 2 and check that the set
83. cified in the Japanese Guideline for Suppressing Harmonics in Home Electric and General purpose Appliances established in September 1994 and revised in October 1999 published by the Ministry of International Trade and Industry currently the Ministry of Economy Trade and Industry METI The Japan Electrical Manufacturers Association JEMA has established a standard of regulation levels based on this guideline To meet this standard a reactor for harmonic suppression must be connected to an inverter It is recommended that you use one of the DC reactors listed in this manual If you choose to prepare a reactor other than the ones listed however it is suggested that you consult your representative for the specifications Safety precautions Read this manual thoroughly before proceeding with installation connections wiring operation or maintenance and inspection Ensure you have sound knowledge of the device and familiarize yourself with all safety information and precautions before proceeding to operate the inverter Safety precautions are classified into the following two categories in this manual Failure to heed the information indicated by this symbol may WA HR G lead to dangerous conditions possibly resulting in death or serious bodily injuries Failure to heed the information indicated by this symbol may ACAUT N lead to dangerous conditions possibly resulting in minor or light bodily injuries
84. ck signal 3 Used as additional auxiliary setting for various main frequency commands Input impedance 22 Allowable maximum input voltage is 15 VDC If the input voltage is 10 VDC or more the inverter will limit it at 10 VDC 1 The frequency is set according to the external analog input current command 4 to 20 mA DC 0 to 100 Normal mode operation 20 to 4 mA DC O to 100 96 Inverse mode operation 2 Used for reference signal PID process command or PID feedback signal 3 Connects PTC Positive Temperature Coefficient thermistor for motor protection 4 Used as additional auxiliary setting to various main frequency commands Input impedance 250 Q Allowable input current is 30 mA DC If the input current exceeds 20 mA DOC the inverter will limit it at 20 mA DC 11 Analog Common terminal for analog input and output signals common This terminal is electrically isolated from terminals CM and Y1E 2 14 Table 2 8 Continued Symbol Name Functions Since weak analog signals are handled these signals are especially susceptible Note to the external noise effects Route the wiring as short as possible within 20 m and use shielded wires In principle ground the shielding layer of the shielded wires if effects of external inductive noises are considerable connection to terminal 11 may be effective As shown in Figure 2 13 ground the single end of the shield to
85. commended molded case circuit breaker MCCB or residual current operated protective device RCD earth leakage circuit breaker ELCB with overcurrent protection in the primary circuit of the inverter to protect the wiring Ensure that the circuit breaker capacity is equivalent to or lower than the recommended capacity If a magnetic contactor MC is mounted in the inverter s secondary circuit for switching the motor to commercial power or for any other purpose ensure that both the inverter and the motor are completely stopped before you turn the MC on or off Do not connect a magnet contactor united with a surge killer to the inverter s secondary circuit Do not turn the magnetic contactor MC in the primary circuit on or off more than once an hour as an inverter failure may result If frequent starts or stops are required during motor operation use FWD REV signals or the RUN STOP key The electronic thermal function of the inverter can protect the motor The operation level and the motor type general purpose motor inverter motor should be set For high speed motors or water cooled motors set a small value for the thermal time constant and protect the motor If you connect the motor thermal relay to the motor with a long wire a high frequency current may flow into the wiring stray capacitance This may cause the relay to trip at a current lower than the set value for the thermal relay If this happens lower the carrier freq
86. connected load is light or a DC reactor is connected to the inverter this function will not detect input phase loss if any Output phase Detects breaks in inverter output wiring at the start of running and Yes loss protection during running stopping the inverter output Inverter Stops the inverter output upon detecting excess heat sink OH1 Yes temperature in case of cooling fan failure or overload Braking When the built in or external braking resistor overheats dbH Yes resistor discharging and the operation of the inverter are stopped It is necessary to set the function code data according to the braking resistor used built in or external Overheat protection Overload Stops the inverter output if the Insulated Gate Bipolar Transistor OLU Yes protection IGBT internal temperature calculated from the output current and cooling fan temperature detection is over the preset value Electronic In the following cases the inverter stops running the motor to Yes thermal protect the motor in accordance with the electronic thermal overload function setting relay Protects general purpose motors over the entire frequency range Protects inverter motors over the entire frequency range The operation level and thermal time constant can be set Motor protection 8 8 LED Description monitor output displays 30A B C PTC A thermistor input stops the inverter output for motor Yes
87. cow Lx meos No corresponding control circuit terminal exists 1 XR and RST are assigned for communication Refer to Displaying control I O signal terminals under communication control on the next page 2 Terminal CM if the jumper switch is set for a sink terminal PLC if the jumper switch is set for a source E Displaying signal status in hexadecimal format Each terminal is assigned to bit 15 through bit 0 as shown in Table 3 17 An unassigned bit is interpreted as 0 Allocated bit data is displayed on the LED monitor in 4 hexadecimal digits O to F each With the V6 digital input terminals FWD and REV are assigned to bit O and bit 1 respectively Terminals X1 through X3 are assigned to bits 2 through 4 The bit is set to 1 when the corresponding input terminal is short circuited with terminal CM or terminal PLC and is set to 0 when it is open For example when FWD and X1 are on short circuited and all the others are off open 0005 is displayed on LED4 to LED1 Terminal CM if the jumper switch is set for a sink terminal PLC if the jumper switch is set for a source Digital output terminal Y1 is assigned to bit 0 Bit 0 is set to 1 when this terminal is short circuited with Y1E and to 0 when it is open The status of the relay contact output terminal 30ABC is assigned to bit 8 It is set to 1 when the circuit between
88. cturer Short circuit rating Suitable for use on a circuit capable of delivering not more than B rms symmetrical amperes volts maximum Power supply Inverter type Power supply max voltage A Power supply current voltage 240 VAC 100 000 A or less viii Conformity to UL standards and Canadian standards cUL certification Continued A CAUTION 6 Install UL certified fuses between the power supply and the inverter referring to the table below Required torque Wire size Ib in AWG or kcmil mm Inverter type CEDAT EINE Control circuit Control circuit Class J fuse Main terminal o S 1 Denotes the relay contact terminals for 30A and 30C 2 Denotes control terminals except for 30A 30B and 30C B Precautions for use In running general purpose motors In running special motors Torque characteristics and temperature rise Noise High speed motors Explosion proof motors Submersible motors and pumps Synchronous motors When the inverter is used to run a general purpose motor the temperature of the motor becomes higher than when it is operated using a commercial power supply In the low speed range the cooling effect will be weakened so decrease the output torque of the motor If constant torque is required in the low speed range use a inverter motor or a motor equipped with an externally powered ventilating fan
89. d current Leakage current at OFF Figure 2 18 shows examples of connection between the control circuit and a PLC Wole Check the polarity of the external power inputs When connecting a control relay first connect a surge absorbing diode across the coil of the relay Power source of 24 VDC to be fed to the transistor output circuit load 50 at maximum To enable the source it is necessary to short circuit between terminals Y1E and CM Can also be used as a 24 VDC power source Common terminal for transistor output signal This terminal is electrically Isolated from terminals CM and 11 Table 2 8 Continued Symbol Name Functions B Connecting Programmable Controller PLC to Terminal Y 1 Tip Figure 2 18 shows two examples of circuit connection between the transistor output of the inverter s control circuit and a PLC In example a the input circuit of the PLC serves as the sink for the control circuit whereas in example b it serves as the source for the control circuit Control circuit Control circuit Serves as Sink Transistor output Serves as Source 24 VDC a PLC serving as Sink b PLC serving as Source Figure 2 18 Connecting PLC to Control Circuit Outputs a contact signal SPDT when a protective function has been activated to stop the motor Contact rating 250 VAC 0 3A cos 0 3 48 0 5A A command similar to terminal Y
90. data setting or 2 Full menu mode The table below lists the function codes available in the V6 series The function codes are displayed on the LED monitor on the keypad as shown below rw CN ID number in each function code group Function code group 3 13 Table 3 10 List of V6 Function Codes Function code group Description F codes FOO to F51 Basic To be used for basic motor running Fundamental functions functions E codes E01 to E99 Terminal To be used to select the functions of Extension terminal functions the control circuit terminals functions To be used to set functions related to the LED monitor display C codes C01 to C52 Frequency To be used to set application functions Control functions of control related to frequency settings frequency functions P codes P02 to P99 Motor To be used to set special parameters Motor parameters parameters for the motor capacity etc H codes to H98 High level To be used for high added value High performance functions functions and complicated control functions etc J codes J01 to J06 Application To be used for PID control Application functions functions y codes 01 to y99 Link functions To be used for communications Link functions Refer to Chapter 5 FUNCTION CODES for details on the function codes Function codes that require simultaneous keying To change data for function codes FOO Protect data Initialize data
91. de contains information necessary for performing maintenance on the inverter Table 3 18 lists the maintenance information display items and Figure 3 10 shows the status transition for maintenance information Powar Running 1 ote Frogramming i Lied c me ea Wairtarancs inka gt J 15 00 16810 Accumulated nn time 6 r Dik mn DIC link creii voltage E TIE F Pg J Fd RON worsion F b ag a 5 FS Keypad ROM version The part in the dotted line box is applicable only when a remote keypad is set up for operation Figure 3 10 Maintenance Information Status Transition Basic key operation Before viewing maintenance information set function code E52 to 2 full menu mode 1 When the inverter is powered on it automatically enters Running mode In Running mode SBR press the key to enter Programming mode The menu for function selection will be displayed With the menu displayed use the and 7 keys to select Maintenance information XE Press the key to display the list of maintenance item codes e g 2 17 2 Use the and keys to select the desired maintenance item then press the 5 key The data of the corresponding maintenance item will appear Press the 2 key to return to the list of maintenance items Press the key again to return to the menu 3 2
92. des If the motor capacity is different from the inverter capacity refer to Chapter 5 function code Table 4 1 Settings of Function Code Data before Driving the Motor for a Test Function code Function code data Factory setting Base frequency Rated Voltage at base frequency 0 0 V Output voltage interlocked with the source voltage Motor ratings printed on the Motor Parameter nameplate of the motor Rated capacity Applicable motor rated capacity Rated current of applicable motor Motor Motor Selection 0 Characteristic of motor 0 Hz Maximum D System design values FT peni For a test driving of the motor increase values so that they Deceleration time 1 are longer than your system 200 If the set time is start running the motor 4 2 4 1 4 Test run A WARNING If the user set the function codes wrongly or without completely understanding this Instruction Manual the motor may rotate with a torque or at a speed not permitted for the machine Accident or injury may result Follow the descriptions of the previous Section 4 1 1 Inspection and Preparation prior to the Operation to Section 4 1 3 Preparation before running the motor for a test and begin test driving of the motor If any abnormality is found to the inverter or motor immediately stop operation and determine the cause referring to Chapter 6 TROUBLESHOOTING 1 Turn the p
93. display the desired code in the monitoring item list e g 3_ QG 4 Use the and gt keys to select the desired monitoring item then press the key The running status information for the selected item will appear b Press the key to return to the monitoring item list Press the key again to return to the menu Table 3 11 Drive Monitoring Display Items LED monitor Contents Unit Description Output Hz Output frequency before slip compensation frequency Output Output frequency after slip compensation frequency Output Output current current Output Output voltage m T voltage 7 me Set Set frequency LZ frequency Running Displays the running direction currently being outputted direction forward r reverse stop Running N A Displays the running status in hex format Refer to Displaying status running status on the next page Load shaft The unit for load shaft speed is rom and that for line speed is speed line speed Display value Output frequency Hz before slip compensation x Function code E50 appears for 10000 rpm or m min or more When appears decrease function code E52 data so that the LED monitor displays 9999 or below referring to the above equation PID process The command is displayed through the use of function code E40 command and E41 data PID display coefficients A and B Display value PID process command x Co
94. djustment Gain and gain reference point for terminal input 12 Analog Input Adjustment Gain and gain reference point for terminal input C 1 If you select any analog input for frequency set 1 set by F01 you can define the relationship between the analog input and the set frequency arbitrarily by combining the settings for bias F18 bias reference point C50 gains C32 and C37 and gain reference points C34 and C39 As illustrated in the graph below the relationship between the set frequency and analog input level for frequency 1 is shown by a straight line passing through points A and B The point A is determined by the bias command F18 and its reference point C50 The point B is determined by the gain command C32 or C37 and its reference point C34 or C39 The combination of C32 and C34 will apply for terminal 12 and that of C37 and C39 for terminal C1 The bias F18 and gain C32 or C37 should be set assuming the maximum frequency as 100 The bias reference point C50 and gain frequency point C34 or C39 should be set assuming the full scale 10 VDC or 20 mA as 100 Analog input under the bias reference point is limited by the bias data f you make such setting that the bias reference point C50 reference point C34 C39 the inverter interprets the setting as invalid and sets the output frequency at 0 Hz Zu EM 3 Point 0 Fard ae
95. dual current operated protective device ELCB Earth leakage circuit breaker The frame size and model of the MCCB or RCD ELCB with overcurrent protection will vary depending on the power transformer capacity Refer to the related technical documentation for details The recommended wire size for main circuits is for the 70 600V PVC wires used at an ambient temperature of 40 In the case of no DC reactor the wire sizes are determined on the basis of the effective input current calculated under the condition that the power supply capacity and impedance are 500 kVA and 5 respectively vii Conformity to UL standards and Canadian standards cUL certification If installed according to the guidelines given below inverters marked with UL cUL are considered as compliant with the UL and CSA cUL certified standards Solid state motor overload protection motor protection by electronic thermal overload relay is provided in each model Use function codes F10 to F12 to set the protection level Connect the power supply satisfying the characteristics shown in the table below as an input power supply of the inverter Short circuit rating 3 Use 75 C Cu wire only 4 Use Class 1 wire only for control circuits 5 Field wiring connection must be made by a UL Listed and CSA Certified closed loop terminal connector sized for the wire gauge involved Connector must be fixed using the crimp tool specified by the connector manufa
96. e displayed 2 With the menu displayed use the and keys to select I O check 5 3 Press the key to display the codes for the I O check item list e g 4 Use the gt gt keys to select the desired check item then press the key The corresponding check data will appear For control I O signal terminal and control circuit terminal input under communication control use the keys to select one of the two different display methods b Press the key to return to the I O check item list Press the key again to return to the menu Table 3 15 Check Items LED monitor Contents Description shows I O signals on the control Shows the ON OFF state of the digital I O terminals circuit terminals Refer to Displaying control 1 0 signal terminals below for details on the display contents Shows the ON OFF state for the digital I O terminals that received a command via RS485 communications Refer to Displaying control l O signal terminals and Displaying control I O signal terminals under communication control below for I O signals on the control circuit terminals under communication control details of the item displayed Input voltage on terminal 12 Shows the input voltage on terminal 12 in volts V Input current on terminal C1 Shows the input current on terminal C1 in milliamperes mA Output voltage to analog Shows the output volta
97. e logic system To set the negative logic system for an I O signal terminal display data of 1000s by adding 1000 to the data for the normal logic in the corresponding function code and then press the key For example if a coast to stop command BX data 7 is assigned to any one of digital input terminals X1 to by setting any of function codes E01 through E03 then turning BX on will make the motor coast to a stop Similarly if the coast to stop command BX data 1007 is assigned turning BX off will make the motor coast to a stop B Restriction on data displayed on the LED monitor Only four digits can be displayed on the 4 digit LED monitor If you enter more than 4 digits of data valid for a function code any digits after the 4th digit of the set data will not be displayed however they will be processed correctly 5 2 The following tables list the function codes available for the V6 series of inverters F codes Fundamental Functions com A Fus diee Fii 2 Fur ars mr cas P En il pa TA natis fw rarrand career amid 17 127 Farrag op uz Haute eum hey abl de ruri imi engan pO ORE SS corner add mn Oh Far Fare cc onere roma Eng
98. e Inverter 1 Mounting base The temperature of the heat sink will rise up to approx 90 during operation of the inverter so the inverter should be mounted on a base made of material that can withstand temperatures of this level A WARNING Install the inverter on a base constructed from metal or other non flammable material A fire may result with other material 2 Clearances Ensure that the minimum clearances indicated in Figure 2 1 are maintained at all times When installing the inverter in the enclosure of your system take extra care with ventilation inside the enclosure as the temperature around the inverter will tend to increase Table 2 2 Output Current Derating Factor in Relation to Altitude Output current ANUAR derating factor 1000 m or lower 1 00 1000 to 1500 m 0 97 1500 to 2000 m 0 95 2000 to 2500 m 0 91 2500 to 3000 m 0 88 Note 1 When inverters are mounted side by side without any gap between them or the NEMA1 kit option is mounted on the inverter the ambient temperature should be within the range from 10 to 40 C Note 2 Do not install the inverter in an environment where it may be exposed to cotton waste or moist dust or dirt which will clog the heat sink in the inverter If the inverter is to be used in such an environment install it in the enclosure of your system or other dustproof containers Note 3 If you use the inverter in an altitude above 1000 m you should appl
99. e Motor To jog the motor follow the procedure given below Making the inverter ready for jogging The appears on the LED monitor 1 Switch to Running mode Refer to page 3 2 for details 2 Press the keys at the same tile Simultaneous keying The LED monitor will display the jogging frequency for approx 1 second and go back to the display Tm lat 1g jogging the jogging frequency specified by function code C20 and the acceleration deceleration time specified by function code H54 for jogging will apply They are exclusively prepared for jogging Set these codes individually as required Using the external input signal JOG also allows the transition between the ready to jog state and normal running state e The transition keys between the ready to jog state and normal running state is enabled only when the inverter is not in operation Jogging the motor 1 The inverter will jog the motor only while the key is held down and contrarily the moment the key is released the inverter will decelerate and stop the motor Exiting the ready to jog state Going back to normal running 1 Press the keys at the same time simultaneous keying 3 10 3 2 2 Programming mode Programming mode provides you with these functions setting and checking function code data monitoring maintenance information and checking input output I O signal status The functions can be easily selected with the
100. e brake function of the inverter does not provide mechanical holding means Injuries could occur Installation and wiring of an option card A WARNING Before installing an RS485 Communications Card turn off the power wait more than five minutes and make sure using a circuit tester or a similar instrument that the DC link circuit voltage between the terminals P and N has dropped below a safe voltage 25 VDC Do not remove the terminal cover for the control circuits while power is applied because high voltage lines exist on the RS485 Communications Card Failure to observe these precautions could cause electric shock In general sheaths and covers of the control signal cables and wires are not specifically designed to withstand a high electric field i e reinforced insulation is not applied Therefore if a control signal cable or wire comes into direct contact with a live conductor of the main circuit the insulation of the sheath or the cover might break down which would expose the signal wire to a high voltage of the main circuit Make sure that the control signal cables and wires will not come into contact with live conductors of the main circuits Failure to observe these precautions could cause electric shock and or an accident Maintenance and inspection and parts replacement A WARNING Turn the power off and wait for at least five minutes before starting inspection Further check that the LED m
101. e motor If the carrier frequency is set at 0 75 kHz for example estimate the motor output torque at 85 or less of the rated motor torque On the contrary raising the carrier frequency increases the inverter s power loss and raises the temperature of the inverter The inverter has a built in overload protection function that automatically decreases the carrier frequency to protect the inverter For details about the function refer to function code H98 B Motor Sound Sound tone F27 Changes the motor running sound tone This setting is effective when the carrier frequencies set to function code F26 is 7 kHz or lower Changing the tone level may reduce the high and harsh running noise from the motor 5 27 F30 Terminal FMA Gain to output voltage F31 Analog Output Signal Selection for FMA Monitor object F31 allows you to output monitored data such as the output frequency or output current to terminal FMA as an analog DC voltage that can be adjusted with F30 for the meter scale B Adjusting the output voltage level F30 Adjust the output voltage level within the range of to 20096 supposing the monitored amount of the monitor selected with function code F31 as 100 High and 10 Termine FMA Quipui 9 TEES Mater scalp B Selecting object to be monitored F31 Select the output to terminal FMA for monitoring 5 28 F43 F44 Note Outputting the output curr
102. e same as for Data setting amp To To check function codes in Menu 2 Data checking it is necessary to set function code E5210 1 Function code data check mode or 2 Full menu mode For details refer to Limiting menus to be displayed on page 3 13 3 18 3 Monitoring the Running Status Drive Monitoring Menu 3 Drive monitoring is used to check the running status during maintenance and test running The display items for Drive monitoring are listed in Table 3 11 Figure 3 8 shows the status transition diagram for Drive monitoring Running Programming made IF Lis of hems Running status L 4 240 H agon slip Lin eiiSq ua T os H Output Tenquency aor LL S000 after sip enamgperndaation 3 x 3209 3111 5880 PID iseda amount Eng Figure 3 8 Drive Monitoring Status Transition 3 19 Basic key operation Before checking the running status on the drive monitor set function code E52 to 2 full menu mode 1 When the inverter is powered on it automatically enters Running mode In Running mode press the key to enter Programming mode The menu for function selection will be displayed T With the menu displayed use the and keys to select Drive monitoring 3a Press the key to
103. ecifying or changing the set frequency or any other parameter with the Jor key the lowest digit on the display will blink and start changing As you holding the key down blinking will gradually move to the upper digit places and the upper digits will be changeable f you press the or key once and then hold down the key for more than 1 second after the lowest digit starts blinking blinking will move to the next upper digit place to allow you to change the value of that digit cursor movement This way you can easily change the values of the higher digits e By setting function code to 0 Keypad operation or 2 7 key and selecting frequency set 2 as the frequency setting method you can also specify or change the set frequency in the same manner using the and keys Alternatively you can set up the set frequency etc from other menu items depending on the setting of function code E48 4 5 or 6 LED monitor details Select speed monitor as shown in the following table Table 3 5 LED Monitor and Frequency Setting with Speed Monitor selected Setting of E48 displayed on LED monitor with Speed Monitor selected Set frequency display Conversion of displayed value 0 Output frequency Frequency setting before slip compensation 1 Output frequency after slip compensation 6 Constant rate of feeding time Constant rate of feeding E50 SERINO Frequency setting x E39 3 7 M
104. ect terminals U V and W of the inverter to the respective U V and W terminals of the motor Check the data of function codes E98 and E99 and the connection to terminals FWD and REV Correct the data of the function codes and the connection Check the data of function code F02 Running stopping and rotational direction Change the data of function code F02 to 2 forward rotation or 3 reverse rotation 6 5 4 If the speed variation and current vibration Such as hunting occur at the constant speed Possible Causes 1 The frequency command fluctuated 2 The external frequency command device was used 8 The slip compensation gain was too large 4 The vibration system having low stiffness in a load caused hunting or the current is irregular due to special motor constants What to Check and Suggested Measures Check the signals for the frequency command with Menu 4 checking using the keypad gt Increase the filter constants C33 and C38 for the frequency command Check that there is no noise in the control signal wires from external sources Isolate the control signal wires from the main circuit wires as far as possible Use shielded or twisted wires for the control signal Check that the motor vibration is absorbed if the slip compensation P09 is cancelled Readjust the slip compensation value P09 or deactivate slip compensation altogether Cancel the
105. efficient A B If PID control is disabled appears PID feedback This value is displayed through the use of function code E40 amount data and function code E41 data PID display coefficients A and B Display value PID feedback amount x Coefficient A B B If PID control is disabled appears 3 20 Displaving running status To display the running status in hexadecimal format each state has been assigned to bits 0 to 15 as listed in Table 3 12 Table 3 13 shows the relationship between each of the status assignments and the LED monitor display Table 3 14 gives the conversion table from 4 bit binary to hexadecimal Table 3 12 Running Status Bit Allocation BUSY 2 CODO 1 under voltage limiting control 4 Always re _ 1 when the DC link circuit voltage Always 0 5 NUV is higher than the undervoltage level 1 when communication is effective when run commands and set Always 0 frequencies commands are issued via communications ALM 1 when an alarm has occurred T when ihe imverter OUI put stopped 1 during deceleration 1 1 during DC braking 1 during DC braking braking 1 during acceleration REV 1 during running in the reverse direction 1 under current limiting control FWD 1 during running in the forward direction Table 3 13 Running Status Display 3 21 Hexadecimal expression A 4 bit binary n
106. ely Simultaneously occurring alarm codes 1 Overl 1 verapping alarm is displayed if no alarms have RM occurring alarm codes 2 Overl 2 verlapping alarm is displayed if no alarms have occurred Terminal I O signal status under communication control displayed with the ON OFF of LED segments Terminal input signal Shows the ON OFF status of the digital I O terminals under status under communication control Refer to Displaying control I O communication control siqnal terminals under communication control in 4 in hexadecimal Checking I O Signal Status for details format Terminal output signal status under communication control in hexadecimal format When the same alarm occurs a number of times in succession the alarm information for the first occurrence is retained and the information for the subsequent occurrences is discarded Only the number of consecutive occurrences will be updated 3 32 3 2 3 Alarm mode When an abnormal condition occurs the protective function is invoked to issue an alarm and the inverter automatically enters Alarm mode At the same time an alarm code appears on the LED monitor Releasing the Alarm and Transferring the Inverter to Running Mode Remove the cause of the alarm and press the key to release the alarm and return to Running mode The alarm can be removed using the 22 key only when the alarm code is displayed D
107. ement with Menu 5 Maintenance Information Parts to be replaced Judgement level DC bus capacitor 85 or lower of the capacitance than that of the factory setting Electrolytic capacitor on the printed 61 000 hours or longer as accumulated run time circuit board Cooling fan 61 000 hours or longer as accumulated run time Applicable motor rating 1 5 to 3 7 kW Assumed life of cooling fan at ambient inverter temperature of 40 1 DC bus capacitor Measure the capacitance of the DC bus capacitor as follows The capacitance is displayed in the reduction ratio 96 of the initial value written in the inverter memory before shipment EE Capacitance measurement procedure 1 Remove the 485 communications card option from the inverter if it is mounted Disconnect the DC link circuit to other inverters from terminals P and of the main circuit if any ADC reactor option and braking resistor option may not be disconnected Keep the ambient temperature at 25 10 2 Turn off the digital inputs FWD REV and X1 to X3 at the control terminals f an external potentiometer is connected to terminal 13 remove it Setthe data of function codes E20 and E27 as the transistor output Y1 or relay output 30A B C does not come on while the inverter power is turned off E g recommended settings are to assign normal logic signal RUN and ALM to terminals Y1 and 30A
108. enhance the shielding effect Use a twin contact relay for weak signals if the relay is used in the control circuit Do not connect the relay s contact to terminal 11 When the inverter is connected to an external device outputting the analog signal a malfunction may be caused by electric noise generated by the inverter If this happens according to the circumstances connect a ferrite core a toroidal core or an equivalent to the device outputting the analog signal and or connect a capacitor having the good cut off characteristics for high frequency between control signal wires as shown in Figure 2 14 Do not apply a voltage of 7 5 VDC or higher to terminal C1 Doing so could damage the internal control circuit 2 E D c lt Figure 2 13 Connection of Shielded Wire Figure 2 14 Example of Electric Noise Prevention 2 15 Table 2 8 Continued X1 Digital 1 The various signals such as coast to stop alarm from external input 1 equipment and multistep frequency selection can be assigned to terminals X1 to X3 FWD and REV by setting function codes E01 to X2 Digital E03 E98 and E99 For details refer to Chapter 5 Section 5 2 Overview input 2 of Function Codes X3 Digital 2 Input mode i e Sink Source is changeable by using the internal jumper input 3 switch FWDI e d 3 Switches the logic value 1 0 for ON OFF of the terminals between X1 iod to X3 FWD or R
109. ent in an analog format FMA 1 2 The analog output terminal FMA outputs 10 V that is 200 of the reference current Iref A Supposing the output gain selected with F30 as 100 Therefore to adjust the output voltage you need to set the output gain at terminal FMA F30 based on the conversion result obtained by the following expression Conversion formula for calculating the output gain which is required for outputting the voltage V V via terminal FMA when current I A flows across the inverter A V V I A 10 V Output gain 2 x x 100 Iref A Reference current A The reference current is given in the table for F20 to F22 on page 5 26 According to the conversion result the output voltage to terminal FMA can be calculated as shown below _ I A Output gain F30 2 x A 100 Example Outputting analog voltage 8V for 0 75 kW standard motors when the inverter output current is 4 2A Analog output voltage V x 10 V _ iO 9 V Output gain 2 x 42 A X ag MY V 100 190 4 Analog output voltage V x 190 10 V 7 98 2x5 0 A 100 Current Limiter Operation condition and Limiting level F43 enables or disables the current limiter If it is enabled the inverter controls the output frequency so that the output current of the inverter does not exceed the level set by F44 This way it prevents the motor from stalling and limits the
110. eous power failure F14 4 or 5 the inverter will automatically restart running the motor when power is recovered The machine should be so designed that human body and peripheral equipment safety is ensured even after automatic restarting Otherwise an accident could occur F15 F16 Frequency Limiter Peak and Bottom Frequency limiter peak F15 sets the upper limit of the output frequency while frequency limiter bottom F16 sets the lower limit of the output as shown below Quipult trequancy Maximum Frequency FI Frequency Lamia Frequency Lirmilpr Boom 167 D HIS 5 23 F18 C50 C32 C34 C37 C39 Note When you change the upper frequency limit F15 in order to increase the running frequency be sure to change the maximum frequency accordingly Maintain the following relationship among the parameters for frequency control F03 ZF15 gt F16 ZF23 ZF25 or FO3ZF15 gt F16 ZF25 ZF23 where F23 is the starting frequency and F25 is the stopping frequency If the above relationship is not observed then the motor may not operate accelerate decelerate or stop at the specified frequency If you specify the lower frequency limit F16 above the upper frequency limit F15 the upper frequency limit F15 will be automatically selected and the lower limit F16 will be ignored Bias for Frequency 1 Bias for Frequency 1 Bias reference point Analog Input A
111. ep the power supply wiring primary circuit and motor wiring secondary circuit of the main circuit and control circuit wiring as far away as possible from each other A WARNING When wiring the inverter to the power source insert a recommended molded case circuit breaker MCCB or residual current operated protective device RCD earth leakage circuit breaker ELCB with overcurrent protection in the path of power lines Use the devices within the related current range Use wires in the specified size Otherwise fire could occur Do not use one multicore cable in order to connect several inverters with motors Do not connect a surge killer to the inverter s output secondary circuit Doing so could cause fire Be sure to connect the grounding wires without fail Otherwise electric shock or fire could occur Qualified electricians should carry out wiring Be sure to perform wiring after turning the power off Ground the inverter following Class C or Class D specifications or national local electric code depending on the input voltage of the inverter Otherwise electric shock could occur Be sure to perform wiring after installing the inverter body Otherwise electric shock or injuries could occur Ensure that the number of input phases and the rated voltage of the product match the number of phases and the voltage of the AC power supply to which the product is to be connected Otherwise fire or an accident could occu
112. er is powered off and will be used as the initial PID process command next time the inverter is powered on Tn Even if multistep frequency is selected as the PID process command SS4 ON you still can set the process command using the remote keypad e When function code J02 data has been set to any value except 0 pressing the or key displays the PID process command currently selected you cannot change the setting e When a PID process command is displayed the decimal point next to the lowest digit on the LED display blinks to distinguish it from the regular frequency setting When a PID feedback amount is displayed the decimal point next to the lowest digit on the LED display is lit E11 Blinking 3 8 Setting up the set frequency with the gt keys under PID control To set the set frequency with the and keys under the PID control you need to specify the following conditions Set function code F01 to 0 Keypad operation Select frequency command 1 Frequency settings from communications link Disabled and Multistep frequency settings Disabled as manual speed command Setthe LED monitor to the speed monitor in Running mode The above setting is impossible in any operation mode except Running mode The setting procedure is the same as that for usual frequency setting If you press the 7 or key in any conditions other than those described above the following will appear Table 3 6
113. erminals P and does not exceed the safety voltage 25 VDC with a multimeter and start the maintenance and inspection Electric shock may occur Maintenance inspection and parts replacement should be made only by authorized persons Take off the watch rings and other metallic matter before starting work Use insulated tools Never modify the inverter Electric shock or injuries could occur 7 1 Daily Inspection Visually inspect errors in the state of operation from the outside without removing the covers while the inverter operates or while it is turned on Check if the expected performance satisfying the standard specification is obtained Check if the surrounding environment satisfies Chapter 2 Section 2 1 Operating Environment Check that the LED monitor displays normally Check for abnormal noise odor or excessive vibration Check for traces of overheat discoloration and other defects 7 2 Periodic Inspection Perform periodic inspection by following the items of the list of periodic inspection in Table 7 1 Before performing periodic inspection be sure to stop the motor turn off the inverter and shut down power supply Then remove the covers of the control and main circuit terminal blocks 7 1 Table 7 1 List of Periodic Inspections Check part Check item How to inspect Evaluation criteria Environment 1 Check the ambient 1 Check visually or 1 The standard temperature humidity measure
114. error detection time invalid yO8 0 Check if appropriate noise control measures have been implemented e g correct grounding and routing of control and main circuit wires Improve noise control Improve noise reduction measures on the host side Replace the relay converter with a recommended insulated converter 6 17 Possible Causes 6 Conditions for communications differ between the inverter and host controllers The RS485 communications card malfunctioned What to Check and Suggested Measures Compare the settings of the y codes 01 to y10 with those of the host controllers Correct any settings that differ Replace the card 17 ErF Data save error during undervoltage Problem The inverter was unable to save data such as the frequency commands timer operation time and PID process command set through the keypad when the power was switched off Possible Causes 1 3 The control circuit voltage dropped suddenly while data was being saved when the power was turned off because the DC link circuit was rapidly discharged A high intensity noise affected the operation of the inverter while data was being saved when the power was turned off The control circuit failed What to Check and Suggested Measures Check how long it takes for the DC link circuit voltage to drop to the preset voltage when power is turned off Remove whatever is causing the rapid di
115. ferent occurrences in the Alarm mode 3 2 1 In speed monitor you can have any of the following displayed according to the setting of function code E48 Output Frequency Hz Set Frequency Hz Load Shaft Speed r min Line Speed m min and Constant Rate of Feeding Time min 2 Applicable only when PID control is employed 3 Applicable only when timer operation is selected by the setting of function code C21 4 Applicable only when a remote keypad optional is installed Figure 3 2 Transition between Basic Display Figures by Operation Mode 3 3 3 2 1 Running mode When the inverter is turned on it automatically enters Running mode In Running mode you can 1 Monitor the running status e g output frequency output current 2 Set up the set frequency and others 8 Run stop the motor and 4 Jog inch the motor 1 Monitoring the Running Status In Running mode the seven items listed below can be monitored Immediately after the inverter is turned on the monitor item specified by function code E43 is displayed Press the lt gt key to switch between monitor items Table 3 3 Monitor Items Display Sample on Function Monitor Items the LED monitor Meaning of Displayed Value Code E43 Speed monitor FERT Refer to Table 3 4 Hz rpm m min min Detected output current A alternative expression for A ampere Output current Specified output voltage i U
116. g mode T2 ae NK ED unt LI Programming List of function codes Function cada dala 1 Fan 1 ITI em a bm el cn L m 1 ok T Fo ser 2 ur PE Seres cata ores ipo In th ned funcbon onde Figure 3 6 Example of Function Code Data Changing Procedure 2 Checking Changed Function Codes Data Checking Menu 2 Data checking in Programming mode allows you to check function codes that have been changed Only the function code for the data that has been changed from the factory defaults are displayed on the LED monitor You may refer to the function code data and change it again if necessary Figure 3 7 shows the status transition diagram for Data checking 3 17 Running mida LM E Programming rici d i jj of funcion cedes Function code data 2 id ji 1 n T 1 CENE T mii cn aL i m m 3 i FI D e Te ar i LN a Corus dan mid pn thi meai funcion cde E nx ELA Saat Eso tn they T code rm T rl a c jie mari TM Erden T Pressing the when the 5 z data is displayed will take you back to Figure 3 7 Data Checking Status Transition Changes made only to F01 F05 E52 Basic key operation The basic key operation is th
117. ge in the DC bus capacitor even after the power has been turned off To switch the sink source of the digital E input signal change the position of the 4 X P s jumper switch using a pair of long nose I pliers as shown in Figure 2 19 EO UM Um od ues Ti i i At the factory setting the jumper switch JE 1 positioned at SINK for the Asian and jl v cx NUM Japanese versions cg NIS Figure 2 19 Switching of SINK SOURCE Jumper Switch 2 3 9 Installing an RS485 communications card option Latch When an optional RS485 agen Communications Card is to be used e Lo ee install it before putting back the control hime circuit TB cover Align the card with the Leanna s E as latch on the inverter and attach the card hz qua to the connector that is located above TUNE terminals 30A 30B and 30C s Yai 1 LU is Jr Figure 2 20 Installing R8485 Communications Card Option 2 20 A WARNING Before installing an R8485 Communications Card turn off the power wait more than five minutes and make sure using a circuit tester or a similar instrument that the DC link circuit voltage between the terminals P and N has dropped below a safe voltage 25 VDC Do not remove the terminal cover for the c
118. ge on terminal FMA in volts meters FMA V Displaying control I O signal terminals The status of control signal terminal status may be displayed with ON OFF of the LED segment or in hexadecimal display E Display signal status with ON OFF of the LED Segment As shown in Table 3 16 and the figure below each of the segments a to e on LED1 lights when the corresponding digital input terminal FWD REV X1 X2 X3 is short circuited with terminal CM or terminal PLC and does not light when it is open Segment a on LEDS lights when the circuit between output terminal Y1 and terminal Y 1E is closed and does not light when the circuit is open Segment a LED4 is for terminal OABC Segment a on LED4 lights when the circuit between terminals 30C and 30A is short circuited ON and does not light when it is open Terminal CM if the jumper switch is set for SINK terminal PLC if the jumper switch is set for SOURCE 3 24 Tin e f all terminal input signals are OFF open segment g on all of LEDs 1 to 4 will blink Refer to Chapter 5 FUNCTION CODES for details Table 3 16 Segment Display for External Signal Information LED4 LED3 LED2 LED1 FWD CM or REV CM or REV PLC 2 1 X1 PLC 2 LEDS LEDS LEDI Ra Lond 2 2 2 X3 PLC 2 OP
119. gh a metal conduit and connect the pipe to the ground near the inverter Mount the inverter onto the metal board and connect the whole board to the ground Connect a noise filter to the inverter power wires 3 When implementing measures against noise generated from peripheral equipment For the control signal wires use twisted or shielded twisted wires When using shielded twisted wires connect the shield of the shielded wires to the common terminals of the control circuit Connect a surge absorber in parallel with a coil or solenoid of the magnetic contactor 3 Leakage current Harmonic component current generated by insulated gate bipolar transistors IGBTs switching on off inside the inverter becomes leakage current through stray capacitors of inverter input and output wires or a motor If any of the problems listed below occur take appropriate measures against them Table 2 9 Leakage Current Countermeasures Problem Measures An earth leakage circuit Decrease the carrier frequency breaker that is connected Make the wires between the inverter and motor shorter E eee primary has Use an earth leakage circuit breaker that has a larger PPS current sensitivity than one currently being used protecton Use earth leakage circuit breaker that features measures against harmonic component An external thermal relay Decrease the carrier frequency was activated Increase the settling current of the thermal relay
120. hat to Check and Suggested Measures 1 The voltage of the DC link circuit was low F14 4 5 Select 5 01 under Menu 5 Reading maintenance information in Programming mode on the keypad and check the voltage of the DC link circuit which should be 200VDC or below for 3 phase 200V 1 phase 200V and 1 phase 100V and 400VDC or below for 3 phase 400V Plug the inverter to a power supply that meets its input specifications 3 2 appears Problem Parentheses 7 has appeared on the LED monitor while the keypad displaying the Drive Monitor Possible Causes What to Check and Suggested Measures 1 The data to be displayed Check that the product of the output frequency and the display could not fit the LED coefficient E50 does not exceed 9999 monitor Adjust the setting of E50 6 20 Chapter 7 MAINTENANCE AND INSPECTION Perform daily and periodic inspection to avoid trouble and keep reliable operation for a long time Take care of the following items during work A WARNING The electric charge in the DC bus capacitor may be present even after the power is turned off Therefore it may take a long time until the DC link circuit voltage reaches a safety potential Do not open the control circuit terminal block cover within 5 minutes after the power has been turned off Then remove the control circuit and main circuit terminal block covers Check that the DC link circuit voltage between main circuit t
121. he of scie nd curren eres 12 aad 271 dE Fier 10 4 ELTE y v oes Bam 900 00 n a 1 enn mus P codes Motor Parameters a i i 160 Jus daha of bentre FH 15 Dh to nale jl mu pwI limen ege antt M Emm renee Tii ol Donte Fani Standard torque boost Nominal rated current of standard motor and Nominal rated capacity of standard motor differ depending upon the rated input voltage and rated capacity Refer to Table 5 1 Standard Motor Parameters 5 9 CHEN Se DD D 1o 5000 n EE 55 LI E eru uh POE c era t ice E 1 ja DD M cnp DE rang Jak eray re eee id idi m Note 1 Function code H71 appears on the LED monitor however the V6 series of inverters does not recognize this code Note 2 Function code H95 is valid on the inverters with ROM versions of C1S11000 or higher The lowest four digits of the ROM version can be displayed on the LED monitor For deta
122. he motor overload early warning OL and low current detection IDL and the timer count Low level current detection IDL Function code data 41 This signal is turned on when the output current drops below the operation level set by Overload Early Warning Current Detection Low Current Detection E34 Level for a duration longer than specified by Current Detection Low Current Detection E35 Timer The minimum turning ON time is 100 ms Noe Function codes E34 and E35 are used not only to set the low current detection IDL but also to set the operation level of the overload early warning OL and current detection ID and the timer count B Alarm relay contact output for any fault ALM Function code data 99 This signal is turned on if the protection function is activated so that the inverter enters Alarm mode 5 40 E39 E50 E52 Coefficient for Constant Feeding Rate Time Coefficient for Speed Indication This function code sets a coefficient to be used for setting the constant rate of feeding time load shaft speed or line speed and for displaying its output status _ Coeff of Speed Indication E50 Freq x Coeff for Const Rate of Feeding Time E39 Const Rate of Feeding Time min Load Shaft Speed rpm E50 Coeff for Speed Indication x Frequency Hz Line Speed m min E50 Coeff for Speed Indication x Frequency Hz Where Freq is the set frequency if each expression is for one
123. he parts If this signal is issued check the service life of these parts in your system according to the maintenance procedure to determine whether the parts should be replaced or not To maintain stable and reliable operation and avoid unexpected failures daily and periodic maintenance must be performed For details refer to Chapter 7 Section 7 2 Table 7 2 Replacement Parts Judgement with Menu 5 Maintenance Information as a Guide B Inverter running RUN2 Function code data 35 This signal is turned on when the motor is driven by the frequency higher than the starting frequency or DC braking is activated B Overload prevention control OLP Function code data 36 This signal is turned on when the overload prevention function is activated if the frequency drop rate comes to be the setting specified by function code H70 The minimum ON duration is 100 ms For details of the overload prevention control refer to the descriptions of function code H70 B Current detection ID Function code data 37 This signal is turned on when the output current exceeds the operation level set by Overload Early Warning Current Detection Low Current Detection E34 Level for a duration longer than specified by Current Detection Low Current Detection E35 Timer The minimum ON duration is 100 ms Noe Function codes E34 and E35 are used not only to set the current detection ID but also to set the operation level of t
124. hen it may not detect the power failure and continue to run 5 21 Trip immediately F14 0 If an instantaneous power failure occurs when the inverter is in Running mode so that the inverter detects undervoltage of the DC link circuit then the inverter immediately stops its output and displays the undervoltage alarm LU on the LED monitor The motor will coast to a stop and the inverter will not restart automatically Trip after recovery of power F14 1 If an instantaneous power failure occurs when the inverter is in Running mode causing the inverter to detect undervoltage of the DC link circuit the inverter immediately stops its output without transferring to Alarm mode or displaying the undervoltage alarm LU The motor will coast to a stop When the power is recovered the inverter will enter Alarm mode for undervoltage with displaying the alarm LU The motor will be still coasting Restart at the frequency at which the power failure occurred F14 4 If an instantaneous power failure occurs when the inverter is in Running mode so that the inverter detects undervoltage of the DC link circuit then the inverter saves the current output frequency and stops its output to make the motor to coast to a stop When the power is recovered with any run command being on the inverter will restart at the saved frequency During the instantaneous power failure if the motor speed slows down the current limiter function of the in
125. hermal overload relay Problem Electronic thermal function for motor overload detection was activated Possible Causes 1 Load was too heavy 2 The acceleration deceleration time was too short 3 The characteristics of electronic thermal did not match those of the motor overload 4 Activation level for the electronic thermal relay was inadequate What to Check and Suggested Measures Measure the output current Lighten the load e g lighten the load before overload occurs using the overload early warning E34 Check that the motor generates enough torque for acceleration deceleration This torque is calculated from the moment of inertia for the load and the acceleration deceleration time Increase the acceleration deceleration time F07 F08 E10 E11 and H54 Check the motor characteristics Reconsider the data of function codes P99 F10 and 12 gt Use an external thermal relay Check the continuous allowable current of the motor Reconsider and change the data of function code F11 11 OLU Overload protection Problem Temperature inside inverter rose abnormally Possible Causes 1 Temperature around the inverter exceeded that of inverter specifications 2 The service life of the cooling fan has expired or the cooling fan malfunctioned 3 Air vent is blocked 4 Load was too heavy 5 The acceleration deceleration time was too short 6 The wires to
126. ielectric strength test is necessary contact your Miki Pulley representative 1 Megger test of main circuit Use 500 Megger and shut off the main power supply without fail during measurement 2 Ifthe test voltage leaks to the control circuit due to the wiring disconnect all the control wiring 3 Connect the main circuit terminals with a common cable as shown in Figure 7 2 4 The Megger test must be limited to across the common line of the main circuit and the ground terminal 5 5MQ 1 for the EMC filter built in type of inverters or a larger value displayed at the Megger indicates a correct state The value is for a discrete inverter Lik LS Figure 7 2 Megger Test 2 Dielectric strength test of control circuit Do not perform a Megger test or dielectric strength test for the control circuit Prepare a high resistance range tester for the control circuit 1 Disconnect all the external wiring from the control circuit terminals 2 Perform a continuity test to the ground 1 MO or a larger measurement indicates a correct state 3 Dielectric strength test of external main circuit and sequence control circuit Disconnect all the inverter terminals so that the test voltage is not applied 7 7 7 5 List of Periodical Replacement Parts Each part of the product has its own service life that will vary according t
127. ill need a remote keypad option 3 11 Figure 3 4 illustrates the menu transition in Programming mode Power ON Programming Moda Mani diivan Running Made Displayed only when a remote keypad option is set up for use Figure 3 4 Menu Transition in Programming Mode Limiting menus to be displayed The menu driven system has a limiter function specified by function code E52 that limits menus to be displayed for the purpose of simple operation The factory default is to display Menu 1 Data setting only allowing no switching to any other menu Table 3 9 Function Code E52 Keypad Mode Selection Function code data E52 Menus selectable 0 Function code data setting mode Menu 1 Data setting factory default 1 Function code data check mode Menu 2 Data checking 2 Full menu mode Menu 1 through 6 7 Menu 7 appears only when the remote keypad option is set up for use Tin If the full menu mode is selected pressing the 27 key will cycle through the menu With the key you can select the desired menu item Once the entire menu has been cycled through the display will return to the first menu item 1 Setting Function Codes Data Setting Menu 1 Data setting in Programming mode allows you to set function codes for making the inverter functions match your needs To set function codes in Menu 1 Data setting it is necessary to set function code E52 data to 0 Function code
128. ils refer to 3 2 2 5 Reading Maintenance Information in Chapter 3 Value in parentheses in the H95 default setting column denotes the setting for the EU version If initialized by the H95 will be set to 0 5 10 J codes Application Functions 1 i ip B doit Perm i ge Er E Trip acci ali ici Tre pl mme ut ba pU PUE RR Eu puel GF Fs Boe RES EI E rans bui rp ond siae F Bii Tru Firm Than i ra p Pis F Pin 3m p Fla Pesce B 1 pm nuncii b Deis bran The table below lists the factory settings of Standard ore boost Nominal rated current of standard motor and Nominal rated capacity of standard motor in the Default setting column of the above tables eic ial bi Aine AB plo cer EE m E ky HEI iy P HEI POE rp T mom 5 11 Table 5 1 Standard Motor Parameters Standard Nominal rated Nominal rated current of capacity of standard motor standard motor Pawar M kW motor voltage F11 E34 and kw Function code Function code F09 Shipping destination version 02
129. imiting processing makes the motor decrease its torque temporarily so as to cause any problem then disable overcurrent limiting to cause an overcurrent trip and apply brake to the motor Note The same functions to limit the output current are implemented by software as function codes F43 and F44 Generally software features have an operation delay so enable function code H12 as well Depending upon the load acceleration in an extremely short period may activate the current limiter to suppress the increase of the inverter output frequency causing the system oscillate hunting or making the inverter enter the OU alarm mode and trip When setting the acceleration time therefore you need to take into account the load condition and moment of inertia 5 48 69 H70 H96 Automatic Deceleration The moment a regenerative energy exceeding the braking capacity of inverter is returned during deceleration the inverter will stop its output and enter overvoltage Alarm mode If regenerative energy suppressing control is enabled the inverter lengthens the deceleration time to 3 times the preset time and decreases the deceleration torque to 1 3 when the DC link voltage exceeds the preset voltage suppressing level In this way the inverter makes the motor reduce the regenerative energy tentatively Hoje This control is used to suppress the torque generated by the motor in deceleration Conversely when the load on the motor results
130. in Pup corral P914 ironia n p ufa c Pus aru nang ped ee mier Enni Fi CE E Lal 3 Hir od 3 Paste 1 TIE EE Is mo AH 1 a Fo Pace oe el iT N ITI Dec ermice Tre Ld 0 bhir Cepek ee FOR Tama duc Tras oe Bana epee TOS TOUS Hoks Teka mb rin Jas icio rco ee Lad ul nid dans aed iy arcis coms pe 3 3 mn Dern 1 Fe pre scenes mach be En rahe weeded bers Poe cg ect cece ind cers dur dL c EU E LUI ned compa c6 Pe incer o 1 Values in parentheses in the above table denote default settings for the EU version except three phase 200 V se ries of inverters 2 Standard torque boost Nominal rated current of standard motor and Nominal rated capacity of standard motor differ depending upon the rated capacity Refer to Table 5 1 Standard Motor Parameters on page 5 12 8 AVR Automatic Voltage Regulator 5 3 free 0 Bae Fia m LI T retire rie 1 00 dam Cor Puy MEI DO ip
131. in peripheral equipment and options which can be connected to the V6 series of inverters Chapter 10 APPLICATION OF DC REACTOR DCRs This chapter describes a DC reactor that suppresses input harmonic component current Chapter 11 COMPLIANCE WITH STANDARDS This chapter describes standards with which the V6 of inverters comply xiii Icons The following icons are used throughout this manual This icon indicates information which if not heeded can result in the inverter not operating to full efficiency as well as information concerning incorrect operations and settings which can result in accidents Sois Tip This icon indicates information that can prove handy when performing certain settings or operations LLLI This icon indicates a reference to more detailed information xiv Table of Contents Preface e B Safety PKOCAUTIONS ii B Precautions for 222 xi How this manual is organized xiv XV Chapter 1 BEFORE USING THE INVERTER 1 1 Acceptance Inspection Unpack the package and check that 1 An inverter and instruction manual this manual is contained in the package 2 The inverter has not been damaged during transportation there should be no dents or parts missing 8 The inverter is the model you ordered You can check the model name and specifications on the main
132. ion code data settings e g cancel higher priority run commands etc Check the data of function codes F07 F08 E10 E11 and H54 Change the acceleration deceleration time to match the load Measure the output current Lighten the load e g operate the mechanical brake correctly Check if mechanical brake is working Release the mechanical brake Make sure that F43 current limiter function selection is set to 2 and check the setting of F44 current limiter operation level Readjust the setting of F44 or disable the function of current limiting in F43 Decrease the value of torque boost F09 then turn the power off and back on again and check if the speed increases gt Adjust the value of the torque boost F09 Check the data of function codes F04 F05 H50 and H51 to ensure that the V f pattern is right gt Match the V f pattern values with the motor ratings Check the data of function codes F18 C50 C32 C34 C37 and C39 Readjust the bias and gain to appropriate values 3 The motor runs in the opposite direction to the command Possible Causes 1 2 Wiring has been connected to the motor incorrectly Incorrect connection and settings for run commands and rotation direction command FWD and REV The setting for the rotation direction via keypad operation is incorrect What to Check and Suggested Measures Check the wiring to the motor Conn
133. ircuit system Connect these terminals with terminals P and N of other inverters Mole Consult your Miki Pulley representative if these terminals are to be used 2 11 Main circuit power input terminals L1 R L2 S and L3 T for three phase voltage input 1 For safety make sure that the molded case circuit breaker MCCB or magnetic contactor MC is turned off before wiring the main circuit power input terminals L osx re 2 Connect the main circuit power supply wires L1 R L2 S Laie ee and L3 T to the input terminals of the inverter via an in Li MCCB residual current operated protective device RCD earth leakage circuit breaker ELCB and MC if et necessary It is not necessary to align phases of the power supply DOM TUBE wires and the input terminals of the inverter with each Fo other i HE formam SAT With overcurrent protection lt r It is recommended that a magnetic contactor be a inserted that be manually activated This is to allow you to disconnect the inverter from the power Figure 2 10 Main Circuit Power Input supply in an emergency e g when the protective Terminal Connection function is activated so as to prevent a failure or accident from causing the secondary problems 2 3 6 Replacing the main circuit terminal block TB cover 1 Asshown in Figure 2 11 pull out the wires from the main circuit terminals in
134. isplaying the Alarm History It is possible to display the most recent 3 alarm codes in addition to the one currently displayed Previous alarm codes can be displayed by pressing the or key while the current alarm code is displayed Displaying the Status of Inverter at the time of Alarm If an alarm occurs you may check various running status information output frequency and output current etc by pressing the lt lt key when the alarm code is displayed The item number and data for each running information is displayed in alternation Further you can view various pieces of information on the status of the inverter using the or gt key The information displayed is the same as for Menu 6 Alarm information in Programming mode Refer to Table 3 19 in 3 2 2 6 Reading Alarm Information Pressing the key while the status information is displayed returns the display to the alarm codes Note When the status information is displayed after removal of the alarm cause pressing the 7 key twice will take you back to the display of the alarm code and then the inverter will be released from the alarm state If a run command has been received by this time the motor will start running Transit to Programming Mode You can also go back to Programming mode by pressing the keys simultaneously while the alarm is displayed and modify the setting of function codes Figure 3 12 summarizes the possible transitions between
135. ity gt Enable instantaneous overcurrent limiting H12 1 Check that the output current decreases and the motor does not come to stall if you set a lower value than the current one for 09 Lower the value for torque boost F09 if the motor is not going to stall Check that the motor generates enough torque required during acceleration deceleration That torque is calculated from the moment of inertia for load the acceleration deceleration time Increase the acceleration deceleration time F07 F08 E10 E11 and H54 gt Enable current limiting F43 Raise the inverter capacity Check if noise control measures are appropriate e g correct grounding and routing of control and main circuit wires Implement noise control measures Enable the retry function 4 6 9 2 Problem OUn Overvoltage protection OU1 The DC link circuit voltage was over the detection level of overvoltage Overvoltage occurs during the acceleration OU2 Overvoltage occurs during the deceleration OUS Overvoltage occurs during running at constant speed Possible Causes 1 2 3 Problem The power supply voltage was over the range of the inverter s specifications The acceleration time was too short The deceleration time was too short for the moment of inertia for load Loads were suddenly removed Braking load was too heavy Malfunction caused by noise
136. l be installed close to the inverter require surge absorbers to be connected in parallel to their coils Note 3 When connecting a DC reactor optional accessory remove the jumper bar from terminals P1 and Note 4 THR function can be used by assigning code 9 Alarm from external equipment to any of terminals X1 to FWD or REV function code E01 to E03 E98 or E99 For details refer to Chapter 9 8 4 Note 5 Frequency can be set by connecting a frequency setting device external potentiometer between the terminals 11 12 and 13 instead of inputting voltage signal 0 to 10 VDC or 0 to 5 VDC between the terminals 12 and 11 Note 6 For the wiring of the control circuit use shielded or twisted wires When using shielded wires connect the shields to earth To prevent malfunction due to noise keep the control circuit wiring away from the main circuit wiring as far as possible recommended 10 cm or longer and never set them in the same wire duct When crossing the control circuit wiring with the main circuit wiring set them at right angles Note 7 In the EU version except the three phase 200V series of inverter the digital input terminals are switched to the SOURCE side 8 4 External Dimensions 8 4 1 Standard models and models available on order braking resistor built in type 8 6 8 7 8 5 Protective Functions LED Alarm Name Description monitor outp
137. leaks and deformation Control circuit Cooling fan 1 Check for abnormal noise 1 Hearing and visual 1 Smooth rotation Note and excessive vibration inspection or turn 2 3 manually be sure to turn the power 2 Check for loose bolts off 3 Check for discoloration 2 Regen caused by overheat 3 Visual inspection No abnormalities Cooling system Ventilation Check the heat sink intake and Visual inspection No abnormalities path exhaust ports for clogging and foreign matter Note The judgement level of part replacement period with Menu 5 Maintenance information should be used as a guide Determine the replacement period on the basis of the standard replacement years See Section 7 5 List of Periodical Replacement Parts If the inverter is stained wipe it off with a chemically neutral cloth to remove dust use a vacuum cleaner 7 3 B Judgement of service life using maintenance information Menu 5 Maintenance information in Programming mode can be used to display data for the judgement of replacement of DC bus capacitor electrolytic capacitor on the printed circuit board and cooling fan as a guide If the replacement data is out of the judgement level for early warning an early warning signal is output to an external device through terminal Y1 function code E20 When any replacement data is out of the judgement level terminal Y1 outputs ON signal Table 7 2 Parts Replacement Judg
138. lication A WARNING When connecting the inverter to the power supply add a recommended molded case circuit breaker and earth leakage circuit breaker in the path of power supply Do not use the devices with the rated current out of the recommenced range With overcurrent protection Fire could occur An MC can be used at both the power input primary and output secondary sides of the inverter At each side the MC works as described below When inserted in the output circuit of the inverter an MC can also switch the motor drive power source between the inverter output and commercial power lines At the power source primary side Insert an MC in the power source side of the inverter in order to Forcibly cut off the inverter from the power source generally commercial factory power lines with the protection function built into the inverter or with the terminal signal line Stop the inverter operation in an emergency when the inverter cannot interpret the stop command due to internal external circuit failures Cut off the inverter from the power source when the MCCB inserted in the power source side cannot cut it off for maintenance or inspection purpose If you are to use the MC for this purpose only it is recommended that you use an MC capable of turning the MC on off manually Note When your system requires the motor s driven by the inverter to be started stopped with the MC the frequency of the starting stopping ope
139. logic is active powering off the inverter switches all output signals to the active side for example the alarm side To avoid adversary effects caused by this make an appropriate arrangement outside the inverter as necessary for example interlocking its operation with a power on signal Since terminals 30A B C are mechanical relay contacts they cannot withstand frequent on off operations If frequent signal outputs are expected e g assigning any current limiter signal and activating the current limiter actively then use Y1 For rare signal outputs e g for inverter protection purpose use 30A B C The service life of a mechanical relay contact is 200 000 on off operations at one second intervals To keep explanations as simple as possible the examples shown below are all written for the normal logic system Inverter running Speed gt 0 RUN Function code data 0 This output signal is used to tell the external equipment that the inverter is running at a speed higher than O It switches on when the inverter output frequency exceeds the starting frequency It switches off when it is less that the starting frequency or the inverter is DC braking the motor B Frequency equivalence FAR Function code data 1 This signal is turned on when the difference between the output and set frequencies comes into the allowable error zone prefixed to 2 5 Hz B Frequency detection FDT Function code data 2
140. ltage at base frequency F05 is set to 0 the data settings of function codes H50 and H51 will be ignored Note If you set the data of H50 to 25 Hz or lower Operation under low base frequency the inverter output voltage may be limited Defining non linear V f patterns 04 F05 H50 and H51 Function codes F04 and F05 define a non linear V f pattern that forms the relationship between the inverter s output frequency and voltage Furthermore setting the non linear V f pattern using function codes H50 and H51 allows patterns with higher or lower voltage than that of the normal pattern to be defined at an arbitrary point inside or outside the base frequency Generally when a motor is driven at a high speed its internal impedance may increase and output torque may decrease due to the decreased drive voltage This feature helps you solve that problem Note that setting the voltage in excess of the inverter s input source voltage is not allowed B Normal linear V f pattern voltage V1 Constant orca arr Rated cliage mange at base frequency Fi p acy Base Menimum 79 duin Ireguency requency 5 16 B V f pattern with single non linear point inside the base frequency voltage V vole base FEE hion arce y pattem Vnitege
141. ltaneous l keying may also make the motor ready for jogging depending upon whether keypad operation or terminal command operation is selected and whether the JOG command is on or off as listed below When operated from keypad F02 0 2 or 3 The motor vecom Jogging When terminal command operation is selected F02 1 simultaneous keying is disabled B Select frequency command 2 or 1 22 21 Function code data 11 Turning the digital input signal Hz2 Hz1 on off may switch the frequency command means between frequency command 1 defined by function code F01 and frequency command 2 defined by function code C30 Turning the Hz2 Hz1 command on allows the frequency command 2 to be selected B Enable editing of function code data from the keypad WE KP Function code data 19 Turning off the WE KP command prohibits changing of function code data from the keypad Only when the WE KP command is on you may access function code data from the keypad according to the setting of function code F00 as listed below If WE KP Function code Fiction is set to FOO data RN Permit editing of function code data ON Inhibit editing of function code data except FOO OFF Disabled Inhibit editing of function code data If the WE KP command is not assigned to any terminal the inverter will interpret WE KP as being always on B Disable PID control Hz PID Function code data 2
142. ly protect people from unexpectedly Figure 4 1 Connection of Main Circuit Terminals approaching your power system Three phase power supply 4 1 2 Turning on power and checking Turn the power on and check the following points This is a case when no function code data is changed from the factory setting 1 Check if the LED monitor displays 0 00 means A WARNING Be sure to install the covers for both the main circuit terminal block and control circuit terminal block before turning the power on Do not remove the cover during power application Do not operate switches with wet hands Otherwise electric shock could occur that the set frequency is 0 Hz that is blinking See Figure 4 2 If the LED monitor displays numbers except 0 00 then rotate the potentiometer to set 0 00 as the set frequency Check if a built in cooling fan rotates for models with 1 5 KW or more Figure 4 2 Display of the LED Monitor after Power on 4 1 4 1 3 Preparation before running the motor for a test Setting function code data Before starting running the motor set function code data specified in Table 4 1 to the motor ratings and your system design values For the motor check the rated values printed on the nameplate of the motor For your system design values ask system designers about them For details about how to change function code data refer to Chapter 3 Section 3 2 2 Programming mode 1 Setting the Function Co
143. n is enabled 21 1 it has been disabled 21 0 during setting the LED monitor to display the timer value by pressing the key Connection to the remote keypad was broken A center bar has appeared on the LED monitor What to Check and Suggested Measures Make sure that when you wish to view other monitor items E43 is not set to 10 or 12 Set E43 to a value other than 10 or 12 Make sure that when you wish to view a PID process command or a PID control command PID control is still in effect JO1 is not set to O Set J01 to 1 or 2 Make sure that when you wish to view other monitor items E43 is not set to 13 Set E43 to a value other than 13 Make sure that when you wish to view the timer s timer operation is still in effect or C21 is not set to O Set C21 to 1 Prior to proceed check that pressing the key does not take effect for the LED display Check connectivity of the cable for the remote keypad Replace the cable Check whether the connector on the RS485 Communications Card or on the remote keypad is not broken Replace the RS485 Communications Card or the remote keypad with a new one 6 19 2 under bar appears Problem Anunderbar _ appeared on the LED monitor when you pressed the key or entered a normal start stop command FWD or a reverse start stop command REV The motor did not start Possible Causes W
144. ncorrectly or the resistance was inadequate 6 The value set for the torque boost F09 was too high 7 The V f pattern did not match the motor What to Check and Suggested Measures Measure the temperature around the motor Decrease the temperature Lighten the load Check if the cooling system of the motor is operating normally Repair or replace the cooling system of the motor Measure the output current Lighten the load e g lighten the load before overload occurs using the overload early warning E34 function Decrease the temperature around the motor Increase the motor sound carrier frequency F26 Check the thermistor specifications and recalculate the detection voltage Reconsider the data of function code H27 Check the connection and the resistance of the pull up resistor gt Correct the connections and replace the resistor with one with an appropriate resistance Check the data of function code F09 and readjust the data so that the motor does not stall even if you set the data to a lower value Readjust the data of the function code Check if the base frequency F04 and base frequency voltage at base frequency F05 match the values on the nameplate on the motor gt Match the function code data to the values on the nameplate of the motor 6 13 9 dbH Overheat protection for braking resistor Problem Thermal protection for braking resisto
145. nds FWD and REV to function codes E98 and E99 Connect the external circuit wires to control circuit terminals FWD and REV correctly Check the input status of the forward reverse rotation direction command with Menu 4 I O checking using the keypad gt Input the rotation direction 02 0 or select the keypad operation with which the rotation direction is fixed 02 2 or 3 Check which operation mode the inverter is in using the keypad gt Shift the operation mode to Running mode and enter a run command Check the higher priority run command with Menu 2 Data checking and Menu 4 I O checking using the keypad Correct any incorrect function code data settings e g cancel the higher priority run command Check that a frequency command has been entered with Menu 4 I O checking using the keypad Set the value of the set frequency to the same or higher than that of the starting or stop frequency F23 or F25 Reconsider the starting and stop frequencies F23 and F25 and if necessary change them to lower values Inspect the frequency command devices signal converters switches or relay contacts Replace any ones that are faulty Connect the external circuit wires correctly to terminals 13 12 11 and C1 Possible Causes What to Check and Suggested Measures 7 Afrequency command Check the higher priority run command with Menu 2 Data with higher priority than
146. nning mode Pressing this key switches the inverter Programming mode m in Programming mode Pressing this key switches the inverter to Running mode m in Alarm mode Pressing this key after removing the error factor will switch the inverter to Running mode Function Data key which switches the operation you want to do in each mode as follows B In Running mode Pressing this key switches the information to be displayed concerning the status of the inverter output frequency Hz output current A output voltage V etc B n Programming mode Pressing this key displays the function code and sets the data entered with the and gt keys or the POT B In Alarm mode Pressing this key displays the details of the problem indicated by the alarm code that has come up on the LED monitor V6 features three operation modes Running Programming and Alarm Refer to Section 3 2 Overview of Operation Modes 3 1 Simultaneous keying Simultaneous keying means pressing two keys at the same time expressed by V6 series supports simultaneous keying as listed below For example the expression keys stands for pressing the key while holding down the key Table 3 2 Simultaneous Keying Operation mode Simultaneous keying Used to Running mode Control entry to exit from jogging operation Programming Change certain function code data mode Refer to codes F00 and H97 in Chapter 5 FUNCTI
147. nsion of openings in the control circuit termi engt j inals Terminal Screwdriver to be used Allowable wire size nals for stick terminals TITIN Phillips screwdriver 30A 30B 30C JIS standard AWG22 to AWG18 g tg gmm_ 2 7 mm x 1 8 mm 0 34 to 0 75 mm No 1 screw tip Phillips screwdriver for Others precision machinery AWG24 to AWG18 JCIS standard No 0 screw tip 0 25 to 0 75 mm 1 7 mm W x 1 6 mm H Manufacturer of stick terminals WAGO Company of Japan Ltd Refer to Table 2 5 Table 2 5 Recommended Stick Terminals Screw size Wire size 216 000 With insulated collar Without insulated collar AWG18 0 75 mm 222 202 102 The length of bared wires to be inserted into stick terminals is 5 0 mm or 8 0 mm for the short or long type respectively The following crimping tool is recommended Variocrimp 4 Part No 206 204 2 3 3 Recommended wire sizes Table 2 6 lists the recommended wire sizes The recommended wire sizes for the main circuits for an ambient temperature of 50 C are indicated for two types of wire HIV single wire for 75 C before a slash and IV single wire for 60 C after a slash 2 4 Table 2 6 Recommended Wire Sizes 1 Recommended wire size Appli Main circuit cable Main circuit power input motor Inverter type uP L1 R 12 5 13 7 inverter pop Braking Control kW Grounding out
148. nstalling the inverter wiring instructions for the motor and inverter Chapter 3 OPERATION USING THE KEYPAD This chapter describes inverter operation using the keypad The inverter features three operation modes Running Programming and Alarm modes which enable you to run and stop the motor monitor running status set function code data display running information required for maintenance and display alarm data Chapter 4 OPERATION This chapter describes preparation to be made before running the motor for a test and practical operation Chapter 5 FUNCTION CODES This chapter provides a list of the function codes Function codes to be used often and irregular ones are described individually Chapter 6 TROUBLESHOOTING This chapter describes troubleshooting procedures to be followed when the inverter malfunctions or detects an alarm condition In this chapter first check whether any alarm code is displayed or not and then proceed to the troubleshooting items Chapter 7 MAINTENANCE AND INSPECTION This chapter describes inspection measurement and insulation test which are required for safe inverter operation It also provides information about periodical replacement parts and guarantee of the product Chapter 8 SPECIFICATIONS This chapter lists specifications including output ratings control system external dimensions and protective functions Chapter 9 LIST OF PERIPHERAL EQUIPMENT AND OPTIONS This chapter describes ma
149. nverter loader software that makes function code setting easy The RS485 communications card must be connected Surge absorbers A surge absorber suppresses surge currents and noise from the power lines to ensure effective protection of your power system from the malfunctioning of the magnetic contactors mini relays and timers Surge killers Asurge killer eliminates surge currents induced by lightening and noise from the power supply lines Use of a surge killer is effective in preventing the electronic equipment including inverters from damage or malfunctioning caused by such surges and or noise Arresters An arrester Suppresses surge currents and noise invaded from the power supply lines Use of an arrester is effective in preventing electronic equipment including inverters from damage or malfunctioning caused by such surges and or noise Frequency meter Displays the frequency in accordance with signal output from the inverter 1 kit Installing the kit to the inverter lets the inverter have the 1 UL TYPE1 certified protective enclosure Other peripheral equipment Other options 9 4 Chapter 10 APPLICATION OF DC REACTORS DCRs If connected to a DC reactor specified in Table 10 1 the V6 series of inverters is compliant with the Japanese Guideline for Suppressing Harmonics in Home and General purpose Appliances issued by Public Utilities Department Agency of Natural Resources and
150. o the environmental and operating conditions It is recommended that the following parts be replaced as specified below When the replacement is necessary contact your Miki Pulley representative Table 7 4 Replacement Parts Standard Part name replacement intervals Cooling fan 5 years DC bus capacitor 5 years Electrolytic capacitor on the printed circuit Board 7 years 7 6 Inquiries about Product and Guarantee 1 When making an inquiry Upon breakage of the product uncertainties failure or inquiries report the following information to your Miki Pulley representative Inverter type No serial number of equipment ROM version Refer to the V6 series Manual Chapter 3 2 2 5 Date of purchase Function codes and their data that you changed O Inquiries for example point and extent of breakage uncertainties failure phenomena and other circumstances 2 Product warranty The term of product warranty is 18 months after the purchase or 12 months after the shipped date whichever comes first However the product will not be repaired free of charge in the following cases even if the warranty term has not expired 1 The cause includes incorrect usage or inappropriate repair or modification 2 The product is used outside the standard specified range 3 The failure is caused by dropping damage or breakage during transportation after the purchase 4 The cau
151. of the set data for the constant rate of feeding time load shaft speed or line speed it is the output frequency if each expression is for the output status monitor Note PID display coefficients A and B E40 and E41 are the exclusive conversion factors to equate an indicated value with the process command and feedback amount in PID control Keypad Menu display mode Allows you to select the display mode on the keypad For details of the operation of the remote keypad refer to Limiting menus to be displayed in Chapter 3 This feature is provided to simplify the operation of the keypad By default E52 is set at 0 Menu 1 Data setting at factory shipment With this setting E52 0 you cannot move to another menu with the or L key Setting of Function Code E52 Menu items you can choose 0 Function code data setting mode Menu 1 Data setting 1 Function code data checking mode Menu 2 Data checking 2 Full menu mode Menu 1 6 7 Available only when a remote keypad is set up for operation Tip If the full menu mode is selected pressing the or key will cycle through the menu With the key you can select the desired menu item Once the entire menu has been cycled through the display will return to the first menu item 5 41 C21 Timer Operation Enables or disables timer operation If it is enabled entering a run command will run the inverter to drive the motor for the period preset to the
152. oing heavy stress that may be caused by input phase loss or interphase voltage unbalance exceeding 6 Note If connected load is light or a DC reactor is connected to the inverter this lt function will not detect input phase loss if any Output phase loss protection OPL The inverter will enter the alarm mode activated by the output phase loss protection and issue the alarm OPL if it detects an output phase loss while it is running 5 50 Chapter 6 TROUBLESHOOTING 6 1 Before Proceeding with Troubleshooting A WARNING If any of the protective functions have been activated first remove the cause Then after checking that the all run commands are set to off reset the alarm Note that if the alarm is reset while any run commands are set to on the inverter may supply the power to the motor which may cause the motor to rotate Injury may occur Even though the inverter has interrupted power to the motor if the voltage is applied to the main circuit power input terminals L1 R L2 S and L3 T L1 L and L2 N for single phase voltage input voltage may be output to inverter output terminals U V and W Some electric charge may remain in the DC bus capacitor even after the power is turned off Therefore it may take some time until the DC link circuit voltage reaches a safe level Before touching the circuit wait for at least five minutes after the power has been turned off and check that the DC voltage between main circuit
153. ones The machine should be so designed that safety is ensured even in any current limiter operation Otherwise an accident could occur Electronic Thermal Over Load Relay for braking resistor Discharging capability F50 F51 and Allowable average loss These function codes configure the electronic thermal overload relay to protect the braking resistor from overheating Set the discharging capability and allowable average loss of braking resistors to F50 and F51 respectively Those values differ depending upon the specifications of the braking resistor Refer to the tables on the next page For built in braking resistors you may set 0 and 0 000 to F50 and F51 respectively Dong 50 will automatically apply the settings given in the table on the next page Note Depending on the discharging capability margin of a braking resistor the electronic thermal function may operate and issue the overheat alarm even if the actual temperature of the resistor is lower than that specified Check braking resistor performance again and review the data setting of function codes F50 and F51 5 30 The following tables list the discharging capability and allowable average loss of the V6 series inverters These values are determined by inverter model and specifications built in or external type of braking resistors B Built in braking resistor Continuous E UU Repetitive braking E UU torque 100 Period 100 sec or less
154. onitor is unlit and check the DC link circuit voltage between the P and N terminals to be lower than 25 VDC Otherwise electric shock could occur Maintenance inspection and parts replacement should be made only by qualified persons e Take off the watch rings and other metallic matter before starting work Use insulated tools Otherwise electric shock or injuries could occur Disposal A CAUTION Handle the inverter as an industrial waste when disposing of it Otherwise injuries could occur Others A WARNING Never attempt to modify the inverter Doing so could cause electric shock or injuries GENERAL PRECAUTIONS Drawings in this manual may be illustrated without covers or safety shields for explanation of detail parts Restore the covers and shields in the original state and observe the description in the manual before starting operation Conformity to the Low Voltage Directive in the EU If installed according to the guidelines given below inverters marked with CE or T V are considered as compliant with the Low Voltage Directive 73 23 EEC CAUTION 1 The ground terminal G should always be connected to the ground Do not use only a residual current operated protective device RCD earth leakage circuit breaker ELCB as the sole method of electric shock protection Be sure to use ground wires whose size is greater than power supply lines With overcurrent protection
155. ontrol circuits while power is applied because a high voltage exists on the 5485 Communications Card Failure to observe these precautions could cause electric shock In general sheaths and covers of the control signal cables and wires are not specifically designed to withstand a high electric field i e reinforced insulation is not applied Therefore if a control signal cable or wire comes into direct contact with a live conductor of the main circuit the insulation of the sheath or the cover might break down which would expose the signal wire to a high voltage of the main circuit Make sure that the control signal cables and wires will not come into contact with live conductors of the main circuit Failure to observe these precautions could cause electric shock and or an accident 2 3 10 Replacing the control circuit terminal block TB cover Upon completion of the wiring of the control circuits fit the latches provided on the upper end of the control circuit TB cover into the openings in the front face of the inverter and then close the TB cover as shown in Figure 2 21 NOTE Take care not to pinch the control signal wires between the TB cover and inverter body Barrer tor the Rn Contra Circull Boning Comman tahon Forti Binck Caer 4 27 5 i i j y j n h When connecting
156. or others Terminal X3 Terminal X2 Terminal X1 E03 E02 E01 Selected frequency 2 SS4 1 552 0 SS1 OFF OFF OFF Other than multistep frequency OFF OFF C05 multistep frequency 1 OFF OFF C06 multistep frequency 2 C07 multistep frequency 3 OFF OFF C08 multistep frequency 4 OFF C09 multistep frequency 5 OFF C10 multistep frequency 6 C11 multistep frequency 7 B Select acceleration deceleration 2 steps RT1 Function code data 4 Digital input signal RT1 assigned to the specified terminal on off may switch combinations between acceleration deceleration time 1 defined by function codes F07 and F08 and acceleration deceleration time 2 defined by E10 and E11 Turning RT1 on for example enables the inverter to drive the motor using acceleration deceleration time 2 5 34 B Select 3 wire operation command HLD Function code data 6 Digital input signal HLD may self hold the forward FWD reverse REV run commands given at the external signal input terminals to enable 3 wire inverter operation Shorting the circuit between the HLD assigned terminal and terminal CM i e when HLD is ON will self hold the FWD or REV command Opening the circuit will release the hold When HLD is not assigned 2 wire operation involving only FWD and REV takes effect B Coast to stop command BX Function code data 7 Shorting the circuit between the BX assigned terminal and
157. output current below the set level With F43 you may select whether the current limiter works during constant speed operation only F43 1 or during both acceleration and constant speed operation F43 2 Set F43 to 1 for example to drive the motor at maximum performance in the acceleration zone and to limit the drive current in the constant speed zone 5 29 Hole The limiting level setting for the three phase 200 V and single phase 200 V 100 V series should be calculated from the current limiting level based on the reference current Iref A as shown below x Iref A Example Setting the current limiting level Ilimit at 4 2 A for 0 75 kW standard motors Setting 100 4 2 100 84 Setting 96 5 0 A 100 8 The reference current is given in the table for F20 to F22 on page 5 26 Noe Thecurrent limiting feature selected by F43 and F44 are implemented by software so an operational delay may occur To avoid the delay use the current limiter hardware simultaneously H12 1 f an overload is applied when the limiting level is set extremely low the inverter will immediately lower its output frequency This may cause an overvoltage trip or dangerous turnover of the motor rotation due to undershooting WARNING If the current limiter function has been activated the inverter may operate at an acceleration deceleration time or frequency different from the set
158. output terminals 30A and 30C is closed and to 0 when the circuit between 30B 30C is closed For example if Y1 is on and 30 is connected to 30C then 0101 is displayed on the LED4 to LED1 Table 3 17 presents an example of bit assignment and corresponding hexadecimal display on the 7 segment LED 3 25 Table 3 17 Segment Display for I O Signal Status in Hexadecimal Format 15 14 18 i2 t 101 9 8 7 6 8 4 8 2 eem terminal Binary LEDS LECE No corresponding control terminal exists XR and RST are assigned for communication Refer to Displaying control I O signal terminals under communication control Displaying control I O signal terminals under communication control During control via communication input commands sent RS485 communications cable can be displayed in two ways display with ON OFF of the LED segment and in hexadecimal format The content to be displayed is basically the same as that for the control I O signal terminal status display however XR and RST are added as inputs Note that under communications control I O display is in normal logic using the original signals that are not inverted 3 26 5 Reading Maintenance Information Maintenance Information Menu 5 Maintenance information in Programming mo
159. ower on and check that the LED monitor blinks while indicating the 0 00 Hz frequency 2 Rotate the built in potentiometer clockwise set the frequency to a low frequency such as 5 Hz Check that set frequency blinks on the LED monitor 3 Press the key to start running the motor in the forward direction Check that the set frequency is displayed on the LED monitor correctly 4 To stop the motor press the key Check the following points e Check if the direction of rotation is correct Check for smooth rotation without motor humming or excessive vibration Check for smooth acceleration and deceleration When no abnormality is found rotate the potentiometer clockwise to raise the set frequency Check the above points for the test driving of the motor 4 2 Operation After checking that the operations finished correctly through the above test driving start normal operation 4 3 Chapter 5 FUNCTION CODES 5 1 Function Code Tables Function codes enable the V6 series of inverters to be set up to match your system requirements Each function code consists of a 3 letter string The first letter is an alphabet that identifies its group and the following two letters are numerals that identify each individual code in the group The function codes are classified into seven groups Fundamental Functions F codes Extension Terminal Functions E codes Control Functions of Frequency C codes Motor Parameters P code
160. put P resistor circuit U V W P DB Power supply voltage w DCR w o DCR V6 01 4 0 5 V6 02 4 V6 04 4 2 0 2 0 V6 07 4 2 0 2 0 2 5 2 D 2 0 2 5 V6 15 3 gt N 75 T s E EA ps DCR DC reactor 1 Use crimp terminals covered with an insulated sheath or insulating tube Recommended wire sizes are for HIV IV PVC in the EU 2 Wire sizes are calculated on the basis of input RMS current under the condition that the power supply capacity and impedance are 500 kVA and 5 respectively 3 Insert the DC reactor DCR in either of the primary power input lines Refer to Chapter 10 for more details Note Braking resistor built in type V6 15 3 V6 22 3 V6 37 3 2 5 2 3 4 Wiring precautions Follow the rules below when performing wiring for the inverter 1 Make sure that the source voltage is within the rated voltage range specified on the nameplate 2 Be sure to connect the power wires to the main circuit power input terminals L1 R L2 S and L3 T for three phase voltage input of the inverter If the power wires are connected to other terminals the inverter will be damaged when the power is turned on 8 Always connect the grounding terminal to prevent electric shock fire or other disasters and to reduce electric noise 4 Use crimp terminals covered with insulated sleeves for the main circuit terminal wiring to ensure a reliable connection b Ke
161. r Do not connect the power source wires to output terminals U V and W Do not connect a braking resistor to between terminals P and P1 and P and P1 DB and N or P1 and DB Doing so could cause fire or an accident 2 6 2 3 5 Wiring for main circuit terminals and grounding terminals Follow the procedure below Figure 2 3 illustrates the wiring procedure with peripheral equipment Wiring procedure Grounding terminal amp G Use either one of the amp amp Gs Inverter output terminals U V and W DC reactor connection terminals P1 and Braking resistor connection terminals and DB DC link circuit terminals and N Main circuit power input terminals L1 R L2 S and L3 T or L1 L and L2 N Perform wiring as necessary in caen c VIETI F cour Breer barri L Hc CI eM ieu ca d KR sags Lasksgo Ergsbhzr ELCH vn pool ico Li gums P fon i 1 T Dc This figure is a virtual representation DCR Figure 2 3 Wiring Procedure for Peripheral Equipment 2 7 The wiring procedure for the V6 07 4 is given below as an example For other inverter types
162. r Insert your finger in the cutout near PULL in the bottom of the control circuit TB cover then pull the cover towards you 2 Removing the main circuit terminal block TB cover Hold both sides of the main circuit TB cover between thumb and forefinger and slide it towards you Ci Termine Heck Coe Han Limani Terris b zw gh SEI 8 5 f mm T E E vx gt mE int vA Figure 2 2 Removing the Terminal Block TB Covers 2 2 2 3 2 Terminal arrangement and screw specifications The figures below show the arrangement of the main and control circuit terminals which differs according to inverter type The two terminals prepared for grounding which are indicated by the symbol amp amp G in Figures A and B make no distinction between the power supply side primary circuit and the motor side secondary circuit 1 Arrangement of the main circuit terminals Table 2 3 Main Circuit Terminals Power Applicable Terminal Tightening supply motor rating Inverter type SaN EE torque Refer to voltage N m EIUS Three phase Figure B 2 3 2 Arrangement of the control circuit terminals common to all V6 models Y1 C1 PLC X1 X2 X3 Screw size M2 Tightening torque 0 2 Nem Screw size M 2 5 Tightening torque 0 4 Nem Table 2 4 Control Circuit Terminals Dime
163. r activated Possible Causes 1 Braking load was too heavy 2 The deceleration time was too short 3 Incorrect values have been set for the data of function codes F50 and F51 What to Check and Suggested Measures Recalculate the relation between the braking load and braking capacity Lighten the braking load Reconsider the choice of the braking resistor in order to improve braking ability Resetting the data of function codes F50 and F51 is also required Recalculate the required deceleration torque and time from the moment of inertia for the load and the deceleration time Increase the deceleration time F08 E11 and H54 Reconsider the choice of the braking resistor in order to improve the braking ability Resetting the data of function codes F50 and F51 is also required Check the braking resistor specifications gt Reconsider and change the data of function codes F50 and F51 NOTE The inverter does not detect the overheating alarm of a braking resistor by monitoring its surface temperature but by monitoring its load magnitude Therefore even if the surface temperature itself does not rise the alarm may be detected if the resistor is used more frequently than the set data of function codes F50 and F51 If you use the resistor to the limit of its capacity you must adjust the data of function codes F50 and F51 while checking the surface temperature of the resistor 10 OL1 Electronic t
164. r applied to SINK b With a jumper applied to SOURCE Figure 2 15 Circuit Configuration Using a Relay Contact B Turning on or off X1 X2 X3 FWD or REV using a programmable logic controller PLC Figure 2 16 shows two examples of a circuit that turns on or off control signal input X1 X2 X3 FWD or REV using a programmable logic controller PLC Circuit a has a connecting jumper applied to SINK whereas circuit b has it applied to SOURCE In circuit a below short circuiting or opening the transistor s open collector circuit in the PLC using an external power source turns on or off control signal X1 X2 X3 FWD or REV When using this type of circuit observe the following Connect the node of the external power source which should be isolated from the PLC s power to terminal PLC of the inverter Do not connect terminal CM of the inverter to the common terminal of the PLC PLC Control circuit gt PLC lt Control circuit gt VY i SINK SINK 2 TE n D 18 18 1 gt 1 1 gt SOURCE x e SOURCE 2 E x 9 9 X3 L X3 X1 X3 K T FWD REV Photocoupler FWD REV Photocoupler rl f Crem a With a jumper applied to
165. r from tripping Not applicable 8 10 Alarm output 30A B C 1 Yes Yes Yes Chapter 9 LIST OF PERIPHERAL EQUIPMENT AND OPTIONS The table below lists the main peripheral equipment and options that are connected to the V6 series Use them in accordance with your system requirements T E 2 oO C a Q a gt Name of peripheral equipment Molded case circuit breaker MCCB Residual current operated protective device RCD Earth leakage circuit breaker ELCB with overcurrent protection Function and application MCCBs are designed to protect the power circuits between the power control board and inverter s main terminals L1 R L2 S and L3 T for three phase power L1 L and L2 N for single phase power from overload or short circuit which in turn prevents secondary disasters caused by the inverter malfunctioning RCDs ELCBs function in the same way as MCCBs Use the MCCBs and RCDs ELCBs that satisfy the recommended rated current listed below Recommended rated Power Applicable Current A of supply motor rating Inverter type MCCB and RCD EL CB voltage w DC reactor 9 1 c E 5 oO 9 E a gt Name of peripheral equipment Molded case circuit breaker Earth leakage circuit breaker with overcurrent protection Magnetic contactor MC Function and app
166. ration should be once or less per hour The more frequent the operation the shorter operation life of the MC and capacitor s used in the DC link circuit due to thermal fatigue caused by the frequent charging of the current flow If this is not necessary start stop the motor with the terminal commands FWD REV and or HLD or with the keypad At the output secondary side Prevent externally turned around current from being applied to the inverter power output terminals V and W unexpectedly An MC should be used for example if a circuit that switches the motor driving source between the inverter output and commercial factory power lines is connected to the inverter Note As application of high voltage external current to the inverter s secondary output circuits may break the IGBTs MCs should be used in the power control system circuits to switch the motor drive power source to the commercial factory power lines after the motor has come to a complete stop Also ensure that voltage is never mistakenly applied to the inverter output terminals due to unexpected timer operation or similar Driving the motor using commercial power lines MCs can also be used to switch the power source of the motor driven by the inverter to a commercial power source 9 2 E Name of option Function and application Braking resistors A braking resistor converts regenerative energy generated from deceleration Standard model of the motor
167. rcurrent level OC1 Overcurrent occurred during acceleration OC2 Overcurrent occurred during deceleration OC3 Overcurrent occurred when running at a constant speed Possible Causes 1 5 The inverter output terminals were short circuited Ground faults occurred at the inverter output terminals Loads were too heavy The value set for torque boost F09 was too large F37 0 1 3 or 4 The acceleration deceleration time was too short Malfunction caused by noise What to Check and Suggested Measures Remove the wires connected to the inverter output terminals U V and W and measure the interphase resistance Check if the resistance is too low Remove the part that short circuited including replacement of the wires relay terminals and motor Remove the wires connected to the inverter output terminals U V and W and perform a Megger test Remove the part that short circuited including replacement of the wires relay terminals and motor Measure the motor current with a measuring device and to trace the current trend Therefore use this information to judge if the trend is over the calculated load value for your system design gt If the load is too heavy decrease it or raise the inverter capacity Trace the current trend and check if there are any sudden changes in the current f there are any sudden changes make the load variation smaller or raise the inverter capac
168. re from terminal DB of the braking resistor to the DB of the inverter When connecting a DC reactor together with the braking resistor 1 2 Remove the screw from terminal P Overlap the DC reactor wire and braking resistor wire P as shown at left and then secure them to terminal P of the inverter with the screw Connect the wire from terminal DB of the braking resistor to terminal DB of the inverter Do not use the jumper bar 2 10 When using a braking resistor built in type A built in braking resistor is connected to terminals and DB at the factory as shown below 9 al a 3 E banal ms aint i js E qn EN ni a AL TEVI Figure 2 9 Built in Braking Resistor Connection This example shows the braking resistor built in type V6 15 3 If you want to connect a DC reactor together with the built in braking resistor follow the instructions given on the previous page wires of the built in braking resistor have been disconnected connect them to terminals and DB in either combination The braking resistor built in type is available only 1 5 kW or more A WARNING Never insert a braking resistor between terminals P and N P1 and N P and P1 DB and N or P1 and DB Doing so could cause fire G DC link circuit terminals P and N These are provided for the DC link c
169. s High Performance Functions H codes Application Functions J codes and Link Function y codes To determine the property of each function code set data to the function code The following descriptions supplement those given in the function code tables on page 5 3 and subsequent pages B Changing validating and saving function code data when the motor is runnin Function codes are indicated by the following based on whether they can be changed or not when the inverter is running Change when running Validating and saving function code data y Possible If the data of the codes marked with Y is changed the change will immediately take effect however the change is not saved into the inverter s memory To save the change press the key If you press the key without pressing the key to exit the current state then the changed data will be discarded and the previous data will take effect for the inverter operation Y Possible The data of the codes marked with Y can be changed with the keys regardless of whether the motor is running or not Pressing the key will make the change effective and save it into the inverter s memory B Copying data Connecting a remote keypad option to an inverter via the RS485 communications card option allows copying the data stored in the inverter s memory into the keypad s memory refer to Menu 7 Data copying in Programming mode With this feature you can easily tr
170. s a result of overcurrent high frequency current flowing into the stray capacitance in the wires connected to the phases Ensure that the wiring is shorter than 50 m If this length must be exceeded lower the carrier frequency or mount an output circuit filter OFL Select wires with a sufficient capacity by referring to the current value or recommended wire size Do not use one multicore cable in order to connect several inverters with motors Securely ground the inverter using the grounding terminal Select an inverter according to the applicable motor ratings listed in the standard specifications table for the inverter When high starting torque is required or quick acceleration or deceleration is required select an inverter with a capacity one size greater than the standard Select an inverter that meets the following condition Inverter rated current Motor rated current When transporting or storing inverters follow the procedures and select locations that meet the environmental conditions listed in Chapter 1 Section 1 3 Transportation and Section 1 4 Storage Environment How this manual is organized This manual is made up of chapters 1 through 11 Chapter 1 BEFORE USING THE INVERTER This chapter describes acceptance inspection and precautions for transportation and storage of the inverter Chapter 2 MOUNTING AND WIRING OF THE INVERTER This chapter provides operating environment precautions for i
171. s used to issue a motor overload early warning for enabling you to take corrective action before the inverter detects a motor overload OL7 alarm and stops its output The motor temperature characteristics are specified by function codes F10 Electronic thermal selection and F12 Thermal time constant If the value calculated from the settings of F10 and F12 exceeds the detection level set by Overload Early Warning Current Detection Low Current Detection Level E34 then this signal is turned on Normally the recommended set current level for E34 is 80 to 9096 of the allowable current set by function code F11 Overload detection level Function code E34 is effective for not only the motor overload early warning OL but also for the operation level of the current detection ID and low level current detection IDL Retry in operation TRY Function code data 26 This signal is turned on when the retry function specified by function codes 04 Number of retries and 5 Latency time is activated Refer to function codes H04 and 5 for details of the output timing and number of retries B Service life alarm LIFE Function code data 30 This signal is turned on when it is judged that the service life of any of capacitors DC bus capacitor and electrolytic capacitor on the printed circuit board and cooling fan has expired 5 39 This function provides a tentative information for service life of t
172. scharge of the DC link circuit After pressing the key and releasing the alarm set using a remote keypad the data of the relevant function codes such as the frequency commands timer operation time and PID process command back to the original values and then restart the operation Check if appropriate noise control measures have been implemented e g correct grounding and routing of control and main circuit wires Improve noise control After pressing the key and releasing the alarm set using a remote keypad the data of the relevant function codes such as the frequency commands timer operation time and PID process command back to the original values and then restart the operation Check if Er F occurs each time power is switched off This problem was caused by a problem of the printed circuit board PCB on which the CPU is mounted Contact your Miki Pulley representative 6 4 If an Abnormal Pattern Appears on the LED Monitor while No Alarm Code is 1 Problem Displayed center bar appears Possible Causes 1 When PID control had been disabled J01 0 you changed E43 display selection to 10 or 12 You disabled PID control J0120 when the LED monitor had been set to display the PID final command value or PID feedback amount by pressing the key While timer operation is disabled C2120 E43 display selection has been set for 10 or 12 While timer operatio
173. se is earthquake fire storm or flood lightening excessive voltage or other types of disaster or secondary disasters 7 8 Chapter 8 SPECIFICATIONS 8 1 Standard Models Bg Powe voice Thespis 200 hee 8 2 4 01 04 08 2 1T retina ox a1 am i 35 31 Flamed 1 09 tp of a2 ated V 200 WD Hz 200 V 220 V 20 RO un 15 aa an Ez n io m 14 2 8 an 1011 IMS T Deu nuc ueniet n 1 mei kr D aeri EE BLUE LLLI lFazzseray Tiri 5 Ha Phasen Teepa 200 240 V TED Hz anzi irnsquanzg Vol asa bp 5 Tatalc 7H Fega ei Aneta rig Bihan ina 15 W cur rong Eee rur keep rnn nmg 2 bete V eee ery 15 n Dx 1 8 in L1 1H 1 532 n 11 2 Sade poems dea ppl EE EIN i uz 13 a a 5 UR 19D 100 Tanqua 41 E m NY Zmr 5 ngenzy Boe ie DO Da Oe netos buking Brake lew Dido 1E of arbaj Eris eg FTO LE open credas F r
174. short circuited the motor would start running CM replaces with PLC for SOURCE mode Maximum Frequency Sets the maximum frequency to drive the motor Setting the frequency out of the range rated for the equipment driven by the inverter may cause damage or a dangerous situation Set a maximum frequency appropriate for the equipment For high speed motors it is recommended that the carrier frequency be set to 15 kHz ANCAUTION The inverter can easily set high speed operation When changing the speed setting carefully check the specifications of motors or equipment beforehand Otherwise injuries could occur Tg f you modify the data of to apply a higher drive frequency lt concurrently change the data of F15 for a peak frequency limiter suitable to the drive frequency Base Frequency Rated Voltage at Base Frequency Non linear V f Pattern Frequency Non linear V f Pattern Voltage These function codes set the base frequency and the voltage at the base frequency essentially required for running the motor properly If combined with the related function codes H50 and H51 these function codes may set data needed to drive the motor along the non linear V f pattern The following description includes setting up required for the non linear V f pattern Base frequency F04 Set the rated frequency printed on the nameplate located on the motor Rated voltage at base frequency F05 Set 0 or the rated
175. stack shipping boxes higher than the indicated information printed on those boxes Doing so could cause injuries A WARNING When wiring the inverter to the power source insert a recommended molded case circuit breaker MCCB or residual current operated protective device RCD earth leakage circuit breaker ELCB with overcurrent protection in the path of power lines Use the devices within the recommended current range Use wires in the specified size Otherwise fire could occur Do not use one multicore cable in order to connect several inverters with motors Do not connect a surge killer to the inverter s output secondary circuit Doing so could cause fire Be sure to connect the grounding wires without fail Otherwise electric shock or fire could occur Qualified electricians should carry out wiring Be sure to perform wiring after turning the power off Ground the inverter following Class C or Class D specifications or national local electric code depending on the input voltage of the inverter Otherwise electric shock could occur Be sure to perform wiring after installing the inverter body Otherwise electric shock or injuries could occur Ensure that the number of input phases and the rated voltage of the product match the number of phases and the voltage of the AC power supply to which the product is to be connected Otherwise fire or an accident could occur Do not connect the power source wires to outp
176. tage with Menu 5 Maintenance below the undervoltage information and measure the input voltage using the keypad detection level 3 Connect the inverter to a power supply that matches its input rating 2 Thedesired menu is not displayed Causes Check and Measures 1 The limiting menus Check the data of function code E52 Menu display mode function was not selected Change the data of function code E52 so that the desired appropriately menu can be displayed 3 Nothing appears on the LED monitor Possible Causes What to Check and Suggested Measures 1 No power supplied to the Check the input voltage output voltage and interphase voltage inverter unbalance gt Connect a molded case circuit breaker an earth leakage circuit breaker with overcurrent protection or a magnetic contactor Check for voltage drop phase loss poor connections or poor contacts and fix them if necessary 2 The power for the control Check if the jumper bar has been removed between terminals circuit did not reach a high P1 and P or if there is poor contact between the jumper bar enough level and the terminals gt Connect the jumper bar to terminals P1 and P or tighten the screws Or connect a DC reactor Replace the inverter if it is malfunctioning 6 8 6 3 1 Problem If an Alarm Code Appears on the LED Monitor OCn Overcurrent protection The inverter output current momentarily exceeded the ove
177. tantaneous power failure function selection to 4 or 5 Check the input signal with Menu 4 I O checking using the keypad Check the power recovery sequence with an external circuit If necessary consider the use of a relay that can keep the run command on 6 2 2 Problems with inverter settings 1 Data of function codes cannot be changed Possible Causes 1 An attempt was made to change function code data that cannot be changed when the inverter is running 2 The data of the function codes is protected What to Check and Suggested Measures Check if the inverter is running with Menu 3 Drive monitoring using the keypad and then confirm whether the data of the function codes can be changed when the motor is running by referring to the function code tables Stop the motor then change the data of the function codes Check the data of function code 00 Data protection 2 Change the setting of FOO from 1 to 0 Possible Causes What to Check and Suggested Measures 3 The WE KP command Check the data of function codes E01 E02 E03 E98 and E99 Enable editing of and the input signals with Menu 4 I O checking using the function codes data from keypad keypad is not input though it has been assigned to a digital input Change the setting of FOO from 1 to 0 or input WE KP command through a digital input terminal terminal 4 DC link circuit voltage was Check the DC link circuit vol
178. terminal CM will immediately stop the inverter output so that the motor will coast to a stop without issuing any alarms B Reset alarm RST Function code data 8 When the protection function has been activated the inverter is in Alarm mode shorting the circuit between the RST assigned terminal and terminal CM will reset the alarm output on terminals Y1 and 30A B C Opening the circuit will release all the alarm indications to restart operation Allow 10 ms or more for the short circuit time RST should be kept off for normal inverter operation Alarm from external equipment THR Function code data 9 When the motor is running opening the circuit between the THR assigned terminal and terminal CM will immediately stop the inverter output and issue the alarm OH2 The motor will coast to a stop B Ready for jogging JOG Function code data 10 You can choose either one of jogging operations specified following 1 When operated from keypad F02 0 2 or 3 By state of key on the keypad the motor becomes ready for ON Start jogging OFF Stop jogging 2 When operated from the digital inputs FWD and REV F0221 By state of the digital inputs FWD and REV the motor becomes ready for ON Start jogging OFF Stop jogging Tn Jogging operation follows the settings of 7 Jogging frequency set by function code C20 Acceleration or deceleration time set by function code H54 5 35 Simu
179. terminals Barrier for the RS485 communications _ Control signal cable port DB P1 P and wire port L1 R 12 5 L3 T 0 W grounding wire port HU L1 R L2 S L3 T P1 P wire port T 1 DB U V W grounding wire port Cooling _ fan b V6 15 3 When connecting the RS485 communications cable remove the control circuit terminal block cover and cut off the barrier provided in it using nippers Figure 1 3 Bottom View of V6 1 3 Transportation When carrying the inverter always support its bottom at the front and rear sides with both hands Do not hold covers or individual parts only You may drop the inverter or break it Avoid applying excessively strong force to the terminal block covers as they are made of plastic and are easily broken 1 4 Storage Environment 1 4 1 Temporary storage Store the inverter in an environment that satisfies the requirements listed in Table 1 1 Table 1 1 Environmental Requirements for Storage and Transportation Item Requirements Storage 2510 70 Locations where the inverter is not temperature subject to abrupt changes in temperature that would result in the 2 Relative 9 to 95 formation of condensation or ice humidity Atmosphere The inverter must not be exposed to dust direct sunlight corrosive or flammable gases oil mist vapor water drops or vibration The atmosphere must contain only a low level of salt 0
180. terminals P and is less than 25 VDC using a multimeter Electric shock may occur Follow the procedure below to solve problems 1 First check that the inverter is correctly wired referring to Chapter 2 Section 2 3 5 Wiring for Main Circuit Terminals and Grounding Terminals 2 Check whether an alarm code is displayed on the LED monitor If no alarm code appears on the LED monitor Motor is running abnormally to Section 6 2 1 Problems with inverter settings Goto Section 6 2 2 If an alarm code appears on the LED monitor Go to Section 6 3 If an abnormal pattern appears on the LED Goto Section 6 4 monitor while no alarm code is displayed If any problems persist after the above recovery procedure contact your Miki Pulley representative 6 1 B Quick reference table of alarm codes OH4 PTC thermistor for motor 6 13 protection Overcurrent protection dbH Overheat for p 6 14 braking resistor 1 2 OLU Overload protection p 6 15 Overvotage protection E Memoryerror Er Er Electronic thermal overload p 6 14 relay Remote keypad communications error LU Undervoltage protection p 6 10 Er3 p 6 16 Output phase loss protection p 6 12 i communications p 6 17 Overheat protection for heat OH1 6 12 pue p 6 18 OH2 undervoltage External alarm input p 6 13 Note An under bar _ _ will be displayed when an under
181. the relationship between those frequency commands and the drive frequency to enable matching your system requirements Refer to function code F18 for details e For the inputs to terminals 12 voltage and C1 current low pass filters can be enabled Refer to the FUNCTION CODES C33 and C38 for details In addition to F01 Frequency set 1 C30 Frequency set 2 is available To switch between them use the terminal command Hz2 Hz1 For details of the Hz2 Hz1 refer to E01 to E03 E98 and E99 Command Assignment to Terminals X1 to FWD and REV 5 13 F02 Running Stopping and Rotational Direction Selects a source issuing a run command keypad or external control signal input f F02 0 2 or 3 the inverter can run the motor by the and keys on the built in keypad The motor rotational direction can be specified in two ways either by control signal input F02 0 or by use of prefixed forward or reverse rotation F02 2 or 3 When F02 0 to specify the motor rotational direction by control signal input assign the commands FWD and REV to terminals FWD and REV respectively Turn on the FWD or REV for the forward or reverse direction respectively and then press the key to run the motor f F02 1 the inverter can run the motor by control signal inputs To specify the motor rotational direction assign the commands FWD and REV to terminals FWD and REV respectively
182. timer An example of timer operation e Setting up the timer conditions beforehand Set C21 to 1 to enable timer operation To have the timer count displayed on the LED monitor at the time of power on set function code E43 LED monitor display selection to 13 Timer count Set up the frequency for the timer operation using the built in potentiometer or the 4 and gt keys If the LED displays the timer count press the key to switch it to the speed monitor and then set the frequency for the timer operation Timer operation by giving a run command with the key 1 Use the or key to set the timer count in seconds while monitoring the current count displayed on the LED monitor Note that the timer count is expressed as integers Valid range of Timer Operation time 1 9 999 sec 2 Press the key to run the motor and the timer will start the countdown The moment the timer finishes the countdown the inverter stops running the motor even if the key is not pressed Timer operation is possible even when the timer count is not displayed on the LED monitor 3 After the inverter decelerates the motor to a stop the timer count on the LED monitor will blink Note If timer operation started by the terminal command FWD is finished and the inverter decelerates the motor to a stop then the LED monitor displays End and the monitor indication O if the timer count is selected alternately Turning FWD
183. ting of F44 current limiter operation level is reasonable Readjust the setting of F44 to appropriate value or disable the function of current limiting in F43 Increase the acceleration deceleration time F07 F08 E10 and E11 6 6 Possible Causes 3 The automatic deceleration was active 4 Overload b Torque generated by the motor was insufficient 6 An external frequency command device is being used What to Check and Suggested Measures Check the data of function code H69 Automatic deceleration function selection gt Consider the use of a braking resistor Increase the deceleration time F08 and E11 Measure the output current Lighten the load Check that the motor starts running if the value of the torque boost F09 is increased gt Increase the value of the torque boost F09 Check that there is no noise in the external signal wires Isolate the control signal wires from the main circuit wires as far as possible Use shielded wire or twisted wire for the control signal wires 7 Evenifthe power recovers after an instantaneous power failure the motor does not restart Possible Causes 1 The setting of function code F14 is either O or 1 2 The run command stayed off even after power has been restored What to Check and Suggested Measures Check if an undervoltage trip occurs Change the data of function code F14 Restart mode after ins
184. tion irme 1 iP ii Wasa if Note e f you choose S curved acceleration deceleration or curvilinear a acceleration deceleration in curvilinear acceleration deceleration H07 the actual acceleration deceleration times are longer than the specified times f you specify an improperly short acceleration deceleration time then the current limiting function or the automatic deceleration function may activated resulting in an actual acceleration deceleration time longer than the specified one Torque Boost Load Selection Auto Torque Boost Auto Energy Saving Operation In general there are two different properties of loads the variable torque loud fans and pumps and the constant torque load industrial machinery You can select a V f pattern optimized to the load property 5 18 Manual torque boost In manual torque boost mode the inverter maintains the output at a constant level regardless of the load When you use this mode select the appropriate V f pattern variable torque or constant torque characteristics with Load Selection F37 To keep the motor starting torque manually select optimal inverter output voltage for the motor and load by setting an optimal torque boost rate to F09 in accordance with the motor and its load Setting an excessive torque boost rate may result in over excitation and overheat of the motor during light or no load operation
185. tion Reconsider the power system configuration Check if the alarm occurs when you switch on a molded case circuit breaker an earth leakage circuit breaker with overcurrent protection or a magnetic contactor 2 Reconsider the capacity of the power transformer L Input phase loss protection Possible Causes 1 2 Main circuit power input wires broken The terminal screws for the main circuit power input of the inverter were not tight enough Interphase unbalance rate of three phase voltage was too large Overload cyclically occurred Single phase voltage was inputted to the inverter instead of three phase voltage input Input phase loss occurred or interphase voltage unbalance rate was large What to Check and Suggested Measures Measure the input voltage Repair or replace the wires Check if the screws on the inverter input terminals have become loose gt Tighten the terminal screws to the recommended torque Measure the input voltage Connect an AC reactor ACR or a DC reactor DCR to lower the rate Raise the inverter capacity Measure ripple wave of DC link circuit voltage If the ripple is large raise the inverter capacity Check the inverter type Obtain a new inverter that meets the power supply specifications 6 11 5 OPL Output phase loss protection Problem Output phase loss occurred Possible Causes 1 Inverter output wires are broken
186. ual inspection No abnormalities Terminal Check that the terminals are not Table 7 1 Continued Check part Check item How to inspect Evaluation criteria Filtering 1 Check for electrolyte leakage capacitor discoloration cracks and E inspection ja abnormalities Note swelling of the case 2 Check if the safety valve does not protrude remarkably 3 Measure the capacitance if 3 Measure 3 The discharge necessary discharge time time is not shorter with capacitance than time probe specified by the replacement manual Braking 1 Check for odor caused by 1 Smelling and 1 No abnormalities resistor overheat and cracked visual inspection insulator 2 Visual inspection 2 Within 1096 of 2 Check for broken wire or measurement the specified with multimeter resistance under disconnection of one lead Transformer Check for abnormal roaring Hearing visual and No abnormalities and reactor noise and odor smelling inspection Magnetic Check for chatters during Hearing contactor operation inspection Pe abnormalities and relay 2 Check for rough contacts 2 Visual inspection Main circuit Printed 1 Check for loose screws and 1 Retighten 1 2 3 4 circuit board connectors 2 Smelling and No abnormalities Note 2 Check for odor and visual inspection discoloration 3 4 3 Check for cracks breakage Visual inspection deformation and remarkable rust 4 Check the capacitors for electrolyte
187. uency or use the output circuit filter OFL Do not mount power factor correcting capacitors in the inverter s primary circuit Use the DC reactor to improve the inverter power factor Do not use power factor correcting capacitors in the inverter output circuit An overcurrent trip will occur disabling motor operation Do not connect a surge killer to the inverter s secondary circuit xi Combina tion with peripheral devices Wiring Selecting inverter capacity Transpor tation and storage Measures against surge currents Control circuit wiring length Wiring length between inverter and motor Wiring type Driving general purpose motor Driving special motors Use of a filter and shielded wires is typically recommended to satisfy EMC directives If an overvoltage trip occurs while the inverter is stopped or operated under a light load it is assumed that the surge current is generated by open close of the phase advancing capacitor in the power system Connect a DC reactor to the inverter When checking the insulation resistance of the inverter use a 500 V megger and follow the instructions contained in Chapter 7 Section 7 4 Insulation Test When using remote control limit the wiring length between the inverter and operator box to 20 m or less and use twisted pair or shielded cable If long wiring is used between the inverter and the motor the inverter will overheat or trip a
188. umber can be expressed in hexadecimal format 1 hexadecimal digit Table 3 14 shows the correspondence between the two notations The hexadecimals are shown as they appear on the LED monitor Table 3 14 Binary and Hexadecimal Conversion Binary Hexadecimal Binary Hexadecimal 3 22 4 Checking I O Signal Status I O Checking With Menu 4 I O checking you can display the I O status of external signals without using a measuring instrument External signals that can be displayed include digital I O signals and analog I O signals Table 3 15 lists check items available The status transition for I O checking is shown in Figure 3 9 Power T Running El m JE List of check tems n Fun Tir im W m 12 ID data j LIES LEG segment CNIOEF hec forrest By LED segment ONIDEF LO Ii hex forrest i moot In hax Tomat output Input volizge ai senminad 12 V Input curant ad Herrin C1 fend Quipul V 3o analogy Figure 3 9 Checking Status Transition 3 23 Basic key operation Before checking the status of the I O signals set function code E52 to 2 Full menu mode 1 When the inverter is powered on it automatically enters Running mode In Running mode press the key to enter Programming mode The menu for function selection will b
189. un commands given via the terminals or communications link operation After the motor stops the inverter issues alarm Er 6 5 49 97 H98 B Start check function The inverter prohibits any run commands to be executed and displays Er 6 on the LED of keypad when The power is first applied The key is pressed or the RST signal is turned on to cancel the alarm Link command LE has switched inverter operations Clear Alarm Data Deletes the alarm information that has been accumulated in the internal memory of the inverter To delete the alarm data set H97 to 1 by simultaneously holding down the f and keys and then press the key Protection Maintenance Function Specifies a combination between automatic lowering of carrier frequency output phase loss protection input phase loss protection Automatic DEC function for carrier frequency Select this feature to protect the system from any failure which could result from the inverter tripping due to the heat sink overheating or overload OLU abnormally high ambient temperature or a cooling mechanism failure This feature lowers the output frequency before the inverter enters Alarm mode However the level of motor noise may increase Input phase loss protection L If a phase loss is detected in the three phase input power source the inverter will enter Alarm mode and issue an alarm L This prevents the inverter from underg
190. ut displays 30A B C Overcurrent Stops the inverter output to protect the OC1 Yes protection inverter from an overcurrent resulting from acceleration overload OC2 Stops the inverter output to protect the deceleration inverter Mat an EE due to a short During running circuit in the output circuit at constant Stops the inverter output to protect the speed inverter from an overcurrent due to a ground fault in the output circuit This protection is effective only when the inverter starts If you turn on the inverter without removing the ground fault this protection may not work Overvoltage The inverter stops the inverter output upon During Yes protection detecting an overvoltage condition 3 phase acceleration 200V DC400V in the DC link circuit OU2 This protection is not assured if excess AC line _ deceleration voltage is applied inadvertently During running OU3 at constant speed Stopped Undervoltage Stops the inverter output when the DC link circuit voltage drops Yes protection below the undervoltage level DC200V However if data 4 or 5 is selected for F14 no alarm is output even if the DC link circuit voltage drops Input phase Detects input phase loss stopping the inverter output This Yes loss protection function prevents the inverter from undergoing heavy stress that may be caused by input phase loss or inter phase voltage unbalance and may damage the inverter If
191. ut terminals U V and W Do not insert a braking resistor between terminals P and P1 and P and P1 DB and or P1 and DB Doing so could cause fire or an accident Wire the three phase motor to terminals U V and W of the inverter aligning phases each other Otherwise injuries could occur The inverter motor and wiring generate electric noise Take care of malfunction of the nearby sensors and devices To prevent the motor from malfunctioning implement noise control measures Otherwise an accident could occur Operation A WARNING Be sure to install the terminal block cover before turning the power on Do not remove the cover while power is applied Otherwise electric shock could occur Do not operate switches with wet hands Doing so could cause electric shock If the retry function has been selected the inverter may automatically restart and drive the motor depending on the cause of tripping Design the machinery or equipment so that human safety is ensured after restarting If the stall prevention function current limiter automatic deceleration and overload prevention control have been selected the inverter may operate at acceleration deceleration time or frequency different from the set ones Design the machine so that safety is ensured even in such cases Otherwise an accident could occur The STOP key is only effective when function setting Function code
192. ve so cooling fan the time when the fan is stopped is not counted The display method is the same as for accumulated run time above However when the total time exceeds 65535 hours the count stops and the display remains at 65 53 Number of The cumulative total number of times an inverter run command has startups been issued is calculated and displayed 1 000 indicates 1000 times When any number ranging from 0 001 to 9 999 is displayed the display increases by 0 001 per startup and when any number from 10 00 to 65 53 is displayed the display increases by 0 01 every 10 startups When the total number exceeds 65535 the display will be reset to 0 and the count will start again No of RS485 Shows the cumulative total number of RS485 communication errors errors since first power ON Once the number of errors exceeds 9999 the display count returns to 0 RS485 Shows the latest error that has occurred with RS485 communications communications in decimal format error content For the error content refer to the user s manual for RS485 communication MEH448 4 ROM version of Shows the ROM version of the inverter as a 4 digit display the inverter ROM version of Shows the ROM version of the keypad panel as a 4 digit display For the keypad active remote keypad only 3 28 6 Reading Alarm Information Alarm Information Menu 6 Alarm information in Programming mode shows in alarm code the causes of the past
193. verter will be activated and automatically lower the output frequency Upon synchronization of the output frequency and motor speed the inverter accelerates up to the previous output frequency Refer to the figure F14 4 given below for details To synchronize the output frequency and motor speed however the momentary overcurrent limiter H12 1 should be enabled This setting is optimal for operations in which the motor speed rarely slows down due to the heavy moment of inertia of its load even if the motor coasts to a stop because of the instantaneous power failure ary 4 y AN Underes tr vob i ae a Irma j Dui n Hm Acrsian cr Tm IR m Airain 4 1 2 Restart at the starting frequency F14 5 If an instantaneous power failure occurs when the inverter is in Running mode so that the inverter detects undervoltage of the DC link circuit then the inverter immediately stops its output After the power is recovered entry of any run command will restart the inverter at the frequency specified by function code F23 5 22 This setting is optimal for operations in which the motor speed quickly slows down to 0 rpm due to the heavy load with a very small moment of inertia if the motor coasts to a stop because of
194. voltage condition is detected and a run command is present while the setting of F14 Restart mode after instantaneous power failure function selection is not 0 6 2 6 2 If No Alarm Code Appears on the LED Monitor 6 2 4 Motor is running abnormally 1 The motor does not rotate Possible Causes 1 No power supplied to the inverter 2 No forward reverse operation command was inputted or both the commands were inputted simultaneously external signal operation 3 No indication of rotation direction keypad operation 4 The inverter could not accept any run commands from the keypad since it was in Programming mode b Arun command with higher priority than the one attempted was active and the run command was stopped 6 The set frequency was set below the starting or stopping frequency What to Check and Suggested Measures Check the input voltage output voltage and interphase voltage unbalance Turn on a molded case circuit breaker an earth leakage circuit breaker with overcurrent protection or a magnetic contactor Check for voltage drop phase loss poor connections or poor contacts and fix them if necessary Check the input status of the forward reverse command with Menu 4 I O checking using the keypad Input a run command Set either the forward or reverse operation command to off if both commands are being inputted 2 Correct the assignment of comma
195. voltage printed on the nameplate labeled on the motor If O is set the inverter supplies voltage equivalent to that of the power source of the inverter at the base frequency In this case the output voltage will vary in line with any variance in input voltage If the data is set to anything other than 0 the inverter automatically keeps the output voltage constant in line with the setting When any of the automatic torque boost settings automatic energy saving or slip compensation is active the voltage settings should be equal to the rating of the motor 5 15 i Note If FO5 is set to match the rated voltage of the motor motor efficiency will be better than that it is set to 0 Therefore when brakes are applied to the motor energy loss decreases and the motor regenerates larger braking energy which can easily cause the overvoltage protection function OUn where n 1 to 3 to be activated Note that the allowable power consumption capacity of the inverter for braking energy is limited by the specifications If the overvoltage protection function is activated it may be necessary to increase deceleration time or use an external braking resistor Non linear V f pattern for frequency H50 Sets the non linear V f pattern for frequency component Setting 0 0 to H50 disables the non linear pattern operation Non linear V f pattern for voltage H51 Sets the non linear V f pattern for voltage component If the rated vo
196. y operations Forced ventilation fan powered by an inverter driven motor or high speed motor The cooling performance will be kept constant regardless of the output frequency F11 specifies the level at which an overload condition is to be recognized Ordinarily set F11 to 1 0 to 1 1 times the allowable continuous current rated current of the motor at the rated drive frequency base frequency of the motor To disable the electronic thermal function set F11 to 0 00 no effect F12 sets the thermal time constant of the motor The inverter interprets the time constant as an operation period of the electronic thermal function During the specified operation period the inverter will activate the electronic thermal function if 15096 current of the operation level specified by F11 flows continuously The time constant of other induction motors is set to approximately 5 minutes by factory default Data entry range 0 5 to 75 0 minutes in 0 1 minute increment Restart Mode after Instantaneous Power Failure Selects the action of the inverter to be followed when an instantaneous power failure occurs If the inverter detects that the DC link circuit voltage has dropped to less than the specified undervoltage limit during operation it interprets the state as an occurrence of an instantaneous power failure However if the inverter runs with a light load connected to the motor and the period of the power failure is too short t
197. y an output current derating factor as listed in Table 2 2 Top 100 mm Bottom 100 mm Figure 2 1 Mounting Direction and Required Clearances When mounting two or more inverters Horizontal layout is recommended when two or more inverters are to be installed in the same unit or enclosure As long as the ambient temperature is 40 C or lower inverters may be mounted side by side without any gap between them If it is necessary to mount the inverters vertically install a partition plate or the like between the inverters so that any heat radiating from an inverter will not affect the one s above 3 Mounting direction Secure the inverter to the mounting base with four screws or bolts M4 so that the V6 Series logo faces outwards Tighten those screws or bolts perpendicular to the mounting base Noe Do not mount the inverter upside down or horizontally Doing so will reduce the heat dissipation efficiency of the inverter and cause the overheat protection function to operate so the inverter will not run ANCAUTION Prevent lint paper fibers sawdust dust metallic chips or other foreign materials from getting into the inverter or from accumulating on the heat sink This may result in a fire or accident 2 3 Wiring Follow the procedure below In the following description the inverter has already been installed 2 3 1 Removing the terminal block TB covers 1 Removing the control circuit terminal block TB cove
198. you do not select auto energy saving operation Load type To select manual torque To select automatic torque boost set boost set Variable torque F37 0 F09 0 0 to 20 0 7 2 Constant torque F37 1 F09 0 0 to 20 0 f you select auto energy saving operation Load type To select manual torque To select automatic torque boost set boost set Variable torque F37 3 F09 0 0 to 20 0 F37 5 Constant torque F37 4 F09 0 0 to 20 0 5 20 F10 to F12 F14 Electronic Thermal Simulation for protection of motor Select the motor characteristics overload detection level and Thermal time constant F10 through F12 set the thermal characteristics of the motor for electronic thermal simulation which is used to detect overload conditions of the motor More specifically F10 specifies the motor characteristics F12 the thermal time constant and F11 the overload detection level No Thermal characteristics of the motor specified by these function codes are also used for the overload early warning Therefore even if you need only the overload early warning set these characteristics data to function codes F10 and F12 F10 selects the cooling characteristics of the motor built in cooling fan or externally powered forced ventilation fan Set F10 to If the motor is cooled by Built in cooling fan for general purpose motors self cooled The cooling performance will decrease with low frequenc
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